Getting Started (GregTech 6)

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== Introduction == 
 (GT6) is an overhaul mod; it is not just an addon that supplements other mods or Vanilla: it has its own tech tree, its own progression curve, its own balance, and a machine for every task. A lot of so-called nerfs in GT6 are just incentives for a more streamlined experience.
For example, a few things to keep in mind:
* You cannot make from because GT6 has its own to do so.
* Vanilla tools are heavily nerfed because GT6 has its own variations and each has its advantages.
* While you can mix and Dusts together to make Dusts in the , most alloys do not work that way; you cannot simply combine the ingots. For the alloys that can be made from dusts, it is inefficient because you receive less of the desired alloy than with the intended method, which is mixing and melting them together in a .
If you ever feel limited with what you can do, like grinding a lot of resources or just being in a technological dead-end, remember that there might be an easier way here; in GregTech, you will progress slowly, but it will be fun.
== General Notes == 
 is GregTech's best friend. GT6 has a lot of information in its tooltips and recipes, so being able to browse them is paramount. However, it can often show more recipes than are actually necessary or useful, as GregTech contains many, many 'recycling' recipes (which simply convert materials into different forms, or break apart machinery into the metals used to make it), and many recipes can't be produced yet because the basic materials are not setup to spawn in the world. One of the more important recipe categories in NEI is "Combination smelting". You can browse this category when you search for an alloy ingot recipe (for instance, ). There's also a GT6 in-game, but it's much more inconvenient because it has no search functionality. Take the time to be familiar with the R/Left-click and U/Right-click shortcuts to quickly jump between items, their recipes, and their uses.
GregTech ores generate in many forms. The three that are the most useful are Small, Sand, and Gravel variants. Small Ores have a lower Mining Level than their regular versions, and when broken will drop Crushed Ore (or a Gem if possible). Sand and Gravel Ores are mined with a Shovel rather than a Pickaxe, and will obey gravity and fall if unsupported. This can be exploited by placing a underneath the stack of falling sand to drop Sand and Gravel Ores without the tool mining levels that would normally be required. Because of this property of Sand Ores, Desert biomes used to make for good starting locations, as old-style ore veins could have been found at the surface and easily gathered, as they still are in the Atum dimension.
The extended debug display can be opened by pressing the "F3" and "H" keys together. This display allows the player to view the Melting and Boiling Points of all items that can be thrown into a , along with their constituents.
In GregTech 6, is not an early material, so instead of regular Iron Buckets, you can start with s to carry cold liquids like or . Of course, you won't be able to carry or any other melted material. Another thing to note is that since s are meant to place liquids into the world, you cannot drink from them. Use other means of bottling to drink.
s have a small chance (1/16 by default) to fire a random GregTech instead of a conventional arrow. This used to include arrows tipped with radioactive materials, which cause Radiation Poisoning on hit. Carrying Milk can be a good idea, because (Bottled) Milk counters Radioactivity. (Bucketed Milk is undrinkable, so bottle it beforehand.)
One of the most valuable resources in the early game is standard dungeon loot. Metal armor found in dungeons, villages, and mineshaft chests can be melted down and used for tools once a has been crafted. It is easily worthwhile to only use Leather armor just to get the extra metal when you're starting off. Beware that only pristine tools and weapons can be smelted in a crucible, with the exception of armor which can be smelted, even when damaged. GregTech also introduces its own structure type, s. They are a place with several rooms with a lot of loot in them and no mobs, including chances of metals like () , early "machines" such as s, oil, portals, and much more. Exploring in GregTech can be a rewarding activity, too!
 Dust, , and can be used to make es. Dust is used to craft .
As a final note, Creative mode is your best friend to experiment things. Energy types, Steam pipes, Recipes in the Crucible: there is a lot of complexity in GregTech. In the beginning, it can be very difficult to understand all the intricacies of the mod. A Creative mode world on the side to test things is a good idea.
== The Stone Age == 
When you start a new map with GT6 you'll want to establish your base. But in doing so, take note of these pointers:
* GT ores spawn either in big veins or lone ores that can be seen quite clearly if you have some wide space and few trees. Some ores spawning y-level range can be very high, including some forms of copper and tin, so have some Extreme Hills nearby for a very good starting resource with so many exposed rock outcrops.
* Villages are also a valuable starting point because of their s, which can contain precious materials you likely won't be able to craft yourself for a long time. The agriculture there is also a bonus, and trading with the villagers can help sometimes.
* Spruce Taiga and Roofed Forest are best suited for GT axes (lots of vertical wood, and few branches, even for big trees) and since you're going to need a lot of charcoal on a regular basis, having such resources at hand is valuable. Note that, like Dark Oak and Jungle trees, Spruce saplings can be planted in a 2x2 fashion to have very big Spruce trees, ideal for GT Axes.
* Water, by default, is not infinite; you will need a River or Ocean nearby to place your in to feed your industry upon reaching the Steam Age.
Since you start in the Stone age, you'll have to act like a cave person: Flint tools will be your primary focus. In GT6 Flint has a fire aspect, which is very convenient because it allows you to light targets on fire, which kills them more easily and always cook meat while killing animals. Flint tools may not have a lot of durability, but can be found in abundance (villages have gravel paths). 
Flint tools are crafted with Flint and a single .
You will also find Sticks and small Rocks lying on the ground, which are very useful for your day one tools. Some Rocks will be pieces of , some will be ore-bearing (now always signifying ores below the rock, at any depth), but others will be the local variety of stone. Vary rarely it will be Meteorites, which is good for making .
Cobblestone Pickaxes, even though they have horrible durability (barely over ten Stone blocks), are really fast at mining Stone, so they are very good for branch or chunk mining (see general notes above), and they are basically free. Be careful though that GT replacement for Cobblestone pickaxes, like other Vanilla items, is not made the default to ensure compatibility with other mods that could use the replaced tools. To enable the GT recipes, you should look into scripts. GT stone tools can also be made from the stone s you will find lying about on the surface and in larger caves.
You should also focus on your farming skills, since you'll be able to automate a lot of the food processing on that topic later on, and because farming is one of the only few renewable resources, you should take full advantage of it.
It is helpful to make either a GT / or , as you will require an ignition source to build the vanilla Furnace, and continually for es later. This can be a , , , or Fire Starter. You may use the GT Sword or Knife to cut Grass to make a Fire Starter from via the Dry , or you can make a Fire Starter from Dry Tree Bark by right-clicking a with the GT Axe or Knife. Further, right-clicking the Axe or Knife on a vanilla or GT log will de-bark it into a that produces more planks, even by hand, than the original log (While any log can be de-barked, modded logs turn into generified Wood Beams and loose their individual character).
Under GregTech 6, only metals with a lower melting point can be smelted in a vanilla Furnace, certain notable ones are Copper, Tin, Bronze, Lead, Zinc, and Bismuth. All other metals must be melted, often alloyed, in a (heated by a ), and subsequently cast in s for now. 
Crafting your first crucible and learning the arts of smelting is of the utmost importance in playing GregTech 6.
=== Smelting === 
Smelting in a crucible is very basic, so basic there's not even a GUI for that.
A crucible is a block that you place on top of a , and in which you'll throw your ingredients. Lighting up fuel in your Burning Box will make it produce heat upwards, onto the crucible, which will heat up as well, until it reaches a temperature high enough to melt its ingredients...or itself. You better get used to that because a lot of contraptions in the beginning of GregTech have no GUIs, so nothing is handed out to you: you have to do the work by yourself, and only later will you be able to automate more and more steps of your work process.
To begin, and to avoid going back and forth collecting materials, go on a mining operation to collect lots of clay, some amount of Stone, Wood, Flint, and Coal, enough Copper and Tin to make some Copper ingots and less Tin ingots, 8 ingots worth of either Lead or Bismuth (but Bismuth is pretty rare, so more likely it will be Lead), and seven more ingots of Lead or Bronze.
Combine stick and 6 rocks or flint to make a Club or Hammer, then crush GT cobblestones with that club or hammer to get lots of rocks for making more clubs and s (more than one will likely be needed, as Stone Hammers have very low durability). Make an "I" pattern of seven lead ingots (or bronze, or smooth stone) with a Hammer in the right-hand middle to make an . Place the Anvil where you can get at both sides and the top. Right-click with some ingots to place them onto the anvil, then right-click the top with an empty hand to spread that pile into two half piles on the anvil. Using the Hammer (right-click with it) on the Top face of the anvil will now produce a Double Ingot; shift-right-clicking with an empty hand will pick up each part stack if too much was placed. Then put those Double Ingots in a single stack onto an empty anvil and use the Hammer on the top again to make a Plate.
Copper and Tin cannot be efficiently combined without a crucible to make Bronze. To combine them you will need a , which requires an iron ingot or amethyst gem, so making bronze is not possible immediately (if you don't steal some iron from the village for example, then you will also need a Mixing Bowl, made from clay and able to combine 3 Copper Dusts and 1 Tin Dust to make 2 Bronze Dusts).
Craft four Copper or Lead Ingots (in a Y-shape) with a Hammer in the top center to make a . Two plates combine in the crafting grid to make a , craft that with a Stick to make the File tool. Put two sticks on the diagonal corners with a Plank between them and the File bottom-right to craft a . Along with a Knife, these are the mandatory initial tools to craft your first GregTech contraption: the .
Note: Additional tool, not mandatory but highly recommended: . Items cast in a Mold will be extremely hot, cool slowly (100 kelvins/second), and cause severe damage to a player who attempts to remove them. Right-clicking with a set of Pincers allows a player to extract the hot items as soon as they solidify.
Smelt 12 of the Clay balls into Bricks. 7 Clay Balls, a and a Rolling Pin combine to make a Clay Crucible, fire that in a Furnace to make the Ceramic Crucible. One Double Copper Plate (2 ingots Hammered together on the Anvil -> Double Ingot, Hammered with another ingot on the Anvil -> Triple Ingot, which Hammers by itself on the Anvil -> Double Plate), 3 Brick Blocks, 4 Lead or Bismuth Plates, and a Wrench make a Burning Box. (Which of the Burning Boxes crafted doesn't matter much yet; they serve the same purpose but work at different speeds/efficiency). Finally 5 Clay Balls, a Knife, and a Rolling Pin craft into a blank Clay ; this can be crafted into a shape before firing in a Furnace.
The standard basic Smelting Crucible is made of Ceramic, because it has a quite high melting point, allowing you to melt a lot of different metals and alloys. Be wary though that because it's very light, it will heat up and cool down very quickly. It's very easy to go overboard with a crucible and safety measures, although efficient, won't be able to save you every time. Standard molds are also made from Ceramic because of the same melting point reason, and because Clay is easy to find, especially if you're near a river, a beach or a swamp.
Place the Crucible in a place that's not near anything flammable. Place the Burning Box directly below it, and make sure it has an air block in front of it. Place one or more Molds adjacent to the Crucible.
Note : Initially Molds have no pattern in them. The shape of item created by a Mold is determined by what shape is Chiseled into it in the world: molds are GUI-less too. Molds have 25 spaces within them, which must be knocked out in specific patterns to yield specific items; if an invalid pattern is given, the Mold will instead produce a number of Nuggets. The page on has a full list of all valid patterns, and there is an in-game book that lists all of them (books drops by zombie villagers and can be found in dungeons). To chisel a pattern into a Mold, right-click on its inner area with a Chisel. The chiseled piece will be knocked out of the Mold. Also note that removing Molds with a pickaxe should be made with caution because a mold entity that "jumps" in a crucible will be turned into Ceramic Scrap, rendering it useless. Preferably remove them with a or Wrench as they have an auto-pickup feature.
Note: Despite NEI only showing pure metals being thrown into a Crucible, any shape of metal can be thrown in. Chunks, Dirty Dusts, Crushed Ores, metal armor, undamaged metal tools, anything except Ore Blocks. However, throwing in items other than pure metals will usually also partially fill the Crucible with Stone or Wood, which must be removed before the material in the crucible can be safely used. Material that has been thrown into a Crucible can be removed as Scrap by right-clicking while the Crucible is cold. Right-clicking to remove material from a heated Crucible will result in the player taking very significant damage, most of the time lethal. As of 6.07.05, s can be used to safely remove scrap from a hot crucible on right-click.
The Crucible is heated by the Burning Box under it. The material used to make the Box determines the rate at which it burns fuel, and its efficiency in doing so. However, to use the Burning Box, its fuel must be lit. is the GregTech equivalent of a , but can be crafted using Flint and a nugget, rock, or gem of several materials - iron, nickel, jasper, quartz, gold, and some of their ores. There are other ways to start fires, such as by a Fire Starter. Feed the Burning Box with fuel by right-clicking it with conventional Furnace fuel (Coal, Charcoal, Saplings, ...). (Note : Once fuel has been inserted, it cannot be removed while the Box is lit). Once the Box has Fuel, right-click it with the Flint & Tinder to try and light it. This will likely take multiple tries because Flint & Tinder does not have a 100% success rate, but only 30%.
While active, the Burning Box will also periodically produce or ; right-click the Box with an empty hand to remove them (that used to be safe, you can do it while it's lit - now right-click with a Shovel or suffer grievous burn damage). Once lit, the Burning Box will continue to burn fuel until it runs out of it, or if its front side is blocked by an opaque block. This allows for an unplanned shut-down, by placing a block of (for example) in front of an active Box.
Now some important safety warnings:
* An active Burning Box will cause nearby flammable objects to catch fire (around 4 blocks away).
* Touching (right-clicking or touching it with your body) a heated Crucible, or a Mold containing hot cast metal, will result in the player taking very heavy damage.
* If an item or material inside a Crucible reaches its Boiling Point, or if an item falls in that has no listed boiling point, it will vaporize, dealing heavy damage to all players and mobs near the Crucible. This can include Molds, or the Crucible itself. Note : as material vaporizes, the Mass inside the Crucible decreases, causing it to heat faster. If a Crucible vaporizes, it will also vaporize all material inside it, and set several random nearby blocks on fire.
* Be extremely cautious about placing blocks in front of a Burning Box because it will only shut down after it has burned its current fuel. So during your first experiences, it is recommended to use Lignite or even Saplings, to ensure that when you drop an opaque block in front of the Burning Box, it will stop quickly because it will have burned its current fuel quickly (Lignite and Saplings both are very inefficient fuel, compared to Coal and Charcoal, you can also use tiny piles of coal dust/crushed ore). For instance if you put a in a Burning Box, light it, and immediately put a Dirt block in front of it, it won't shut down until it has burnt the whole block, which may heat your Crucible way past its melting point, vaporizing its content and itself into nothingness, wasting everything.
* Removing a Burning Box by using a wrench will stop it immediately, and will allow you to retrieve ashes and unburnt fuel, but you will lose the currently burning fuel. This may be a safer emergency measure but be careful around touching the Crucible with your body, and remember that doing so consumes some of your wrench's durability.
Once the Burning Box below the Crucible is lit, it will start to heat the Crucible. The rate at which a Crucible heats depends upon the mass of the Crucible, and the mass of the metal inside it. Once the metal inside the Crucible melts, it can be cast into adjacent Molds by right-clicking the Mold inside the carved out area. Note: The metal that will be cast into the mold is the one that has the highest melting point. For example, if your crucible is at 1360K and contains 3 units of Bronze and 1 unit of Copper, Bronze will be cast first and only after the 3 Bronze units have been cast will the Copper be cast as well. This is an interesting mechanic when you're not following the recipes exactly (like if you have melted a lot of Tetrahedrite into Copper, mixed it with Tin to make Bronze, and retrieved the excess Copper after casting the Bronze)
=== Some notes on Materials === 
You can smelt meat into s (ingots), which can then be used to make very nourishing .
When in need, Chalcopyrite smelts as Copper, Cassiterite as Tin and Galena as Lead, and can all be smelted in a regular Furnace.
The notable approximate temperatures for early metalworking are: 
* Tin (550K)
* Lead (650K)
* Copper and Bronze (1360K)
* Iron (1810K)
* Wrought Iron (2010K)
* Steel (2050k)
* Titanium (1941K)
* Gold (1340K)
* Stone (boils at 2000K)
* Ceramic (Crucible vaporizes at 2500K). 
By knowing these melting and boiling points, Crucible temperature can be roughly observed by looking at the color of the liquified metal in the Crucible until you craft a . For instance if you mix Copper and Tin in a Crucible and heat it, you'll first see the liquid Tin (past 500K) and at some point later you'll see the Bronze (1350K). After you've poured the Bronze out of the Crucible, if there isn't any Bronze left, but there's still Copper, you'll see it liquefied (Bronze is a desaturated orange while Copper is a bright orange-red color). If there isn't Bronze nor Copper anymore, but there is Tin left, you'll see it liquefied (Tin is bright gray).
When the Crucible cool down too much, and goes below the melting point of a material everything goes back to the darkish solid state.
Note : If you've mixed different materials in the crucible, and if these materials do not all mix (like if you've thrown an Iron pickaxe, its Wood won't melt with its Iron regardless of the temperature), you'll never see the colored liquid state, whatever temperature the Crucible is, you'll only see the dark gray solid state. That's why you've have to respect recipes as much as possible until you can craft a thermometer.
Iron smelting is a bit of a special issue to handle. The easiest source of Iron is (aka Magnetite). Magnetite can be melted, but will not directly melt into Iron. In order to convert Magnetite into Iron, Coal or Charcoal must be mixed with the Magnetite(in previous versions of the mod, Dark Ashes was needed. This can be annoying because this is not listed in NEI). It does not matter what form the coal is in (dust, crushed, ingot etc...) it will all work. Hematite is the primary ore of iron, but is a bit of a pain because you have to smelt it with Coal AND Calcite (meaning marble or limestone). Yellow and Brown are easier to find, and smelt to Hematite. Multiple 'Crucible Alloying' steps can be done in the same batch, they occur as the temperature rises and material is available.
 is made by combining iron and air in a crucible, requiring temperatures of at least 2046K. You can add air to a crucible by putting a steam engine right up to the crucible. The air will not be added to the crucible if it is full, so watch how much iron you add to the crucible. You will know when your iron has turned into steel when the liquid color goes from dark orange to blood red.
Hammers help you crush ores into crushed dusts (especially Copper and Tin that are found on a regular basis in caves), you'll get more material from an ore that way, especially if you wash them afterwards in a Cauldron. Doing this at home on the Anvil, having hand-crafted the Ore block into Raw Ore pieces, is almost as good as the steam age Crusher machine.
One final note, but I'll write that again in another topic: Rubber can be smelted in the Crucible. Rubber plates are in fact Rubber Sheets. Following the same principle you can also make Rubber Rings with liquid Rubber. Be careful because you waste a part of the material in the process though. It's one of the "hidden recipes" that does not appear in NEI because the Crucible and Molds are GUI-less, so feel free to experiment on your own.
Before the Forge Age your current work process should more or less be:
* Mining Ore (like Copper) or getting crushed ore directly from sparse Sand/Gravel Ores.
* Crushing Ore to Crushed Ores with hammers.
The next Age is more rewarding.
== The Forge Age == 
Before diving in the wonderful world of machines and automation characterizing the Forge Age, you'll need some very convenient tools and contraptions.
* A Mortar. Made of an Iron ingot and a Ceramic Mixing Bowl (which is made of 5 Clay balls), very useful for turning a lot of things in the dusts: crushed ores, ingots, coal, scraps and so on. Be wary, dusting a lot at once will make you hungry very fast! Better have some food with you.
* An Iron . Made of 3 iron plates, 2 of them curved by hammering a plate on the 'Big Side' of the Anvil (previously on a rolling cylinder), it's a way to carry . You can also use a Ceramic Jug. Why would you want to have Lava ? Because Lava poured in a Crucible allows you to make tools. Although their durability is not that great, since Lava can be found quite easily (especially if you open an early Nether Portal) and since Obsidian is a Tier 3, Fire Aspect material, Obsidian tools are the perfect upgrade after Flint ones: plentiful, efficient, and easy to make. Because Lava is hot, pouring a bucket of it in a Crucible will heat it immediately, but not enough for maintaining liquid state, so you still need a burning box (be careful, obsidian has a very low density). Tools retrieved from molds are "raw" and need to be sharpened to be of any use - so finish them with a file, or better, a Sharpener. Of course you can use your Tools Molds with other materials, like Bronze.
* A Thermometer or . It's really easy to overheat the crucible without it. First you'll need a Thermometer. You will need Mercury, which you get by melting Cinnabar from a Redstone vein (found at heights 10-40 in yellow Komatiite), since it has a very low melting point, you can melt it in the furnace, and then drop an ingot in the cold Crucible. After you melt it down, you can take it directly out of the crucible with a glass bottle to use in the recipe. You can use this now by right clicking on blocks that can overheat like the crucible to see its temperature, or you can turn it into a Thermometer Sensor to place directly on the crucible which will constantly say the temperature and have the ability to output a redstone signal at certain temperatures. You'll need two s (1 Copper + 4 Redstone = 1 ingot). You'll also need some glass, and which is made from Tin and Wrought Iron. A Thermometer Sensor is placed on the front of the Crucible. You'll need a wire cutter, a rolling cylinder or Anvil (Small Side), and a hammer to turn red alloy plates into Fine Red Alloy Wire. It's a time effort to craft your first thermometer, but it's really worth it: you'll make tremendous progress in understanding the smelting process and in managing your Crucible safely. 
* A is made of 7 Iron plates (or Wrought Iron plates so you can use them there if needed). The Cauldron is, with the Sifter and the Hammer, the next step in your ore mining process: throw in crushed ores to clean them and get by-products. It's especially worth it to clean crushed ore because otherwise it'll bring a bunch of stone with it into the cauldron. You want to try to smelt washed "purified" or refined ores as much as possible. If you see the witch hut, don't forget to steal one.
* A costs 8 units of iron, but it's your only way to manually process Sand and Gravel Ores, which are in huge veins (especially in , if you include there), so it's well worth it to craft it as soon as possible. It's also the only way to get gems from gem ores. Right click Ore onto the top spot to place it there, then hold down right-click to sift the Ore, then, after it has passed through the Sifter, right click the bottom result to pull out the purified Ore and extracts. Crushed, purified gem or crystal ores can be sifted to get gems (this includes Lapis and Coal). Gravel can be sifted to get Flint, Milky Quartz, and trace Clay. Dirt can be sifted to get pumpkin, wheat and melon seeds. I recommend to use Hopper under the Sifter to automatically withdraw products.
* A costs as much as a Sifter, but the investment will pay off big time because sharpening your raw tools is almost a daily occupation in GregTech since you'll mine a lot and cut down tons of wood for Charcoal. Place your Sharpener on the ground, feed it Sandstone with a right-click in the middle of the Sharpener, and keep right-clicking your raw tools on it. After a few tries your tool heads will be sharpened, preventing you from using a file to do so, which costs time and resources.
* If you use your or Ceramic Mixing Bowl for food it can go a long way if you frequently use for food: Harvest your wheat (hint: use a , it'll farm in a 3x3 pattern), grind it into Flour with a Mortar, right-click the Flour into the Mixer, and pour in with a Bucket (Iron or Wood made): right-clicking with an empty hand will get you that you'll be able to craft into , s, Buns, or Toast, to be then cooked in a regular Furnace and possibly make basic sandwiches or procedural es. You'll need 1 part Water to 3 parts flour so place your mixer near a well to spare yourself water trips. Or you can kill a lot of animals for eating, that works too!
* A may cost a bit of but it may quickly become a valuable tool. Like the other contraptions it's GUI-less: you right-click dusts of any size (from blocks to 1/72th pile) and it will output to an inventory below whatever dust size you set it to. To change the dust size (default is block size), just use a on it and you should see its internal funnel shrink in size until it returns to block size again. It may seem superfluous but once you'll have a steady ore processing facility, you'll enjoy not having to regroup all these dusts of various sizes.
* The is a potential replacement for your good old double-block chest; it has a 36-slot capacity while only occupying one block. This is useful for when you start to build up your factory and all the machines and pipes start to be all around the place. Plus since you'll involuntarily hoard some materials (mainly Silver and Gold) while processing others (Copper for example has Gold as its by-product), you may soon realize that you can spare quite a lot of them in making these convenient chests. Note it is still flammable, use Metal Chests if you need one very close to your burning boxes.
* An is all you ever dreamed of the Crafting Table: You can store components in its drawer, and they will automatically fill the blanks in the main crafting grids. You can pipe in fluids. You can keep your tools at hand. You can use blueprints to make your items automatically. And finally you can use automation to provide items and eject output. It's truly a blessing that comes in a lot of different materials, even Lead so you can build it very early in the game !
* GregTech has its own variation of s and you're going to love them. Like most other variable metal-based contraptions the material you use puts a burden on the 's capacity, but even the most basic one can be of a great help, like feeding a with a lot of dusts (the crucible can only hold up to 16 units of material, and any you throw beyond the 16th will be just floating inside in the form of dropped item), extracting metal from a (it will be slow, because hopper can only extract cold metal), or automatically extracting ashes from a . Being creative with a can be very rewarding, alleviating all the boring tasks and letting you focus on fun ones. Note that you can use a to tune a 's stack size management.
* A (not to be confused with a ) will help in handling dipping and soaking recipes, like and Water into Paper or Wood and or Seed Oil into Sealed Wood Pipes. If you need to fill it with a small portion of fluid, you can use a . If you want to empty it, you can flush it with a , or just dig and replace to make its contents vanish.
So, at the end of the Forge Age, your current work process is now:
* Mining Ores/Collect Sand&Gravel Ores
* Crushing Ores with a hammer on the Anvil, or Sift Sand&Gravel ores with your Sifter
* Washing results in Cauldron to get by-products
* Turning Ores into ingots, plates, etc. with the Crucible
Better, isn't it? But a lot of labor work. Why don't we start letting machines do the hard work for us?
== The Steam Age == 
=== Your first machine === 
Now that you're more familiar with the Burning Box heating principle we're going to mess with scary, scary steam power.
Steam, at this point of the game, is the only way to power your first machines.
As an explanation, let's make ourselves a . It's a basic machine that does not require a lot of expensive materials, and building it will help you understand the Steam mechanic in GregTech. Additionally, it will be of continuous use throughout your GT Career, because it'll allow you to focus on storing ingots as plates.
Make a lot of Bronze and craft a Bronze Boiler, a Funnel, some bronze small pipes (4 or 5 should be enough), a Bronze Steam Turbine, and a Bronze Rolling Mill.
Put the Boiler on top of the Burning Box like the Crucible. Place the Funnel on its side and put Water inside by right-clicking Water on it. Run pipes from its top hole to the back of the Steam Turbine. Put the Rolling Mill in front of the Turbine.
When lit, the Burning Box will heat up the Boiler, just like it did with the Crucible. Water will slowly reach its boiling point and during that time the barometer will rise slowly throughout the left white section up into the green zone; that's the moment when you'll start to have Steam. Steam will flow through pipes and will go inside the Steam Turbine. The Steam Turbine with then use this Steam to make its internal turbine roll, which will generate rotational energy, measured in GregTech as RU/t. It will take a little more time to warm up to full output, during which an attached machine will be clicking to complain about low power.
Rotational energy is then consumed by your brand new Rolling Mill that will turn it into internal energy (measured in GU, always with a 1:1 ratio regardless of energy input type). Put an ingot in the Mill and it will transform into a brand new Plate!
Naturally, being a machine, the Rolling Mill does not wear out. You just have to feed it energy (RU in this case) to make it work.
=== Energy Types and Efficiency === 
So, to sum up the previous tasks, you used heat (measured in HU/t) to power a Boiler (which converts HU/t to Steam/t) to power a Turbine (which converts Steam/t to RU/t) or an Engine (which converts Steam/t to KU/t) to power a Rolling Mill (which converts RU/t to internal GU/t) or a Squeezer (which converts KU/t into internal GU/t), and in the case of the Squeezer, transferred its content into a Coagulator (which uses time as a resource, measured in ticks (t), or seconds (1 sec = 20 ticks)).
There are several more energy types you should be aware of so here's a list of all of them:
* HU/t is Heat energy. Made from Burning Boxes and Electric Heaters, you already know them for their use with a Crucible, but HU is used by a lot of very useful machines.
* KU/t is Kinetic energy. Made by a piston going back and forth in an Engine, it's the energy required by a Crusher, a Sifter and a Compressor.
* RU/t is Rotation energy. Made by spinning Turbines, or directly in a portable Diesel Engine. RU/t is very important because it's used by a lot of basic machines, so having several good RU/t producers is critical.
* EU/t is Electric energy. Encountered later (during the Electric Age) you may already know EU/t as the IC2 Energy system. Well you can just keep your general understanding of the concept and scrap anything specific because it changes quite a lot in GregTech.
* MU/t is Magnetic energy. Generated by , it's a less-frequently used energy type but don't worry, you'll have to use it at some point too.
* LU/t is Laser energy. Generated by s, will become vitally important later for Engraving Circuits.
* QU/t is Quantum excitement energy. This is used by the chain. End-game stuff, converted from Laser energy.
Another point to consider is your machines efficiency, starting by the Burning Box, which is at the very beginning of your chain. As you've read earlier, a Burning Box can be made of several materials, which can then themselves be of basic or dense state. Theses two parameters has a dramatic influence on the Burning Box's resulting theoretical output and efficiency.
For instance a Steel Burning Box is mildly powerful (32 HU/t), but it has an efficiency of 70%, while an Invar Burning Box, although less powerful (16 HU/t), has an outstanding 100% efficiency. The efficiency means your fuel will last more, and since you'll be burning a lot of fuel, having a perfect efficiency may sometimes be more important than raw heating power. Or course nothing prevents you from using one Burning Box at some point and then replace it for another one, under the same Boiler.
This efficiency rate is applied to almost all machines, so do not hesitate to do some math to understand what you need, and how you're going to produce the needed energy type and at which rate you're going to produce it. Again, I cannot stress enough the fact that you should read the tooltips again and again.
If you overlook this two major things may happen to your engines: they will be underpowered and may not even start, or they will overflow and even explode. You may restrict the flow of Steam your boiler will produce with pipes (look at their tooltip to see their maximum bandwidth) but limiting the flow can have another undesired effect: Steam pressure will build up in your Boiler. If your Boiler goes beyond the red zone, it will explode, and the blast radius isn't small. So be careful and think about what you're doing: Read the tooltips, adjust your math accordingly, and play it safe.
Making a machine is a long process; it would be a shame to waste all these efforts, wouldn't it?
=== Calcification === 
Calcification is a nasty consequence of boiling natural water. Water has impurities in it; therefore using it in a steam boiler will cause it to "calcify" and slowly reduce its efficiency by up to 50%.
You can safely check the calcification status of your boiler by using a , so craft one as soon as you can (you need just throw glass or sand in your crucible and cast a glass plate in the mold (or smelt a pile of sand dust in the furnace), then polish it with the File). You can make this check at any time, even when your boiler is running.
You can clean a Boiler by using a , but only if it has stopped running and its internal pressure has gone down to the white zone. Otherwise, you will be damaged and it may explode. 
You can also clean a Boiler by removing it with a wrench and putting it back on its respective burning box, which only sacrifices wrench durability.
In both scenarios, cleaning the boiler will empty it of its contents, so remember to fill it up again with water afterwards.
To avoid calcification, you have to use instead of regular water. Putting water into a and heating it up with a burning box will output distilled water, and turbines and engines can emit 80% of their used steam as distilled water from their sides, if a tank or pipe is there to receive it. 
=== Basic Machines === 
Now that you are more confident in getting your items parts from casting liquid metals and alloys into Molds, a word on this topic: You should craft almost all Molds as soon as possible. You're going to make more and more machines which will need more and more machines parts like Gears, Rods, Bolts, Plates, and so on. You'll be able to craft these with Ingots and Tools, but in doing so you'll lose a significant quantity of material in the process: For instance, crafting a Plate (1 unit) means hammering two Ingots (1 unit each) together and hammering the double Ingot to get the Plate. So you "paid" 2 units of material and 2 hammer and anvil crafting uses for 1 unit worth of Plate. If you've had a Plate mold you could have directly cast the material as a Plate, costing you only the unit worth of material you've put in your Crucible.
So think about what you want to make, and prepare your materials manufacturing list in advance: You can make batches of Plates, Rods, Gears, Rings, and Bolts to avoid having to craft them afterwards. Only exceptions are Screws, which will need a Lathe to make instead of casting material in a Mold. Curved Plates, Small Gears, Long Rods, and normal Springs all have lossless crafting recipes.
Now your biggest concern will be what to make next. As always with GregTech the answer is simple: More machines to help us make even more machines!
Your basic machines will be ones that help you build more machines:
* (KU-based, back side): Will crush ore blocks you manually place in front of it, or automate an Anvil it is facing. The material that the Automatic Hammer is made out of does not determine what ores it can crush.
* (KU-based, left side): Can compress dense plates, which are used for making Dense or Strong burning boxes, Engines, and Boiler tanks, which are four times as powerful with the same efficiency (although if you use recipes meant for the tier below, it will use two times the energy and four times the energy/tick, but be twice as fast.) Make sure your machines and pipes can handle the boost in steam though, or they may/will explode!
* (RU-based, back side): Mainly transforms Plates into Curved Plates and Rods into Springs. Worth having because you'll use your Rolling Bender quite often when you start to make pipes, batteries, and rotors, which require a lot of Curved Plates.
* (RU-based, back side): Mainly transform Bolts into Screws. Useful because screws have no Mold of their own, and are a rip-off to craft from bolts, cost-wise. It also makes Sticks out of Planks quickly and lens out of glass.
* (RU based, left or right side): Transform almost everything into dust, including machines, except ores (Crusher will handle them). Very useful as a recycler of old, obsolete machines/engines. Can also turn Wheat into Flour and Scraps into Dust. In other words, an automatic, higher-tiered Mortar.
* (RU-based, bottom side): Replaces your table Mixer if you've got one but it's way more efficient since you can feed it water automatically (more on Liquids later)
* (RU-based, back side): A little trickier to craft because of the Diamond Dust requirement, the Buzzsaw/Cutter is your Saw replacement, and can also turn gems into plates, so it's a direct dependency to the higher tier Crusher (Diamond Plates, but this recipe use more than 64 RU/t, so you will need advanced version of the machine). It's also very efficient in turning logs into planks.
* (RU-based, back side): The Sluice is one of the most rewarding machines because it does the "Wash in Cauldron" step way better than you could ever do, even with redstone contraptions that fill a cauldron, more reliably and with more by-products. You can put a Chest beside a Sluice, feed it lots of Crushed Ores, and go about your business while it safely washes them all. A Sluice needs water from its top slot and produces Sluice Juice which you can collect in a Tank/Drum to later Centrifuge it or Dry+Magnet Separate it into other by-products.
* (RU-based, bottom side): The Centrifuge is the last of the basic machines but also the most rewarding because it gets another shot at by-products. You can put a Chest on top of a Centrifuge, another one on its right, feed it with a ton of purified ores and go about your business while it safely refines them. The Bronze variant will do almost all basic centrifuge recipes, but you may soon realize that a lot of recipes need a more powerful Centrifuge, so a Steel one might get appealing then (but it will obviously require a more powerful Turbine), but the 64/t recipes are touchy to do without electric batteries. 
Note: Unlike most mods other than Railcraft, GT Machines are always running (that is, until you've made some specific Covers for them to not do so), so if you're not using a machine, do not forget to unplug its pipe (use your wrench to "undo" the pipe that enters the machine) from the main Steam supply (if you have one), or shut down the burning box (if individual). You wouldn't want to waste Steam, would you ?
Once you've got the necessary requirements, it's time for your two bad boys: the Crusher and the Sifter. These two will replace the most tedious work you've done until now: crushing ores with your hammers (using a ton of them in the process, and a ton of time to use/make them) and sifting sand/gravel ores (which is just time and food consuming if you've built the Sifter). Both use KU so your Steel Engine setup from the steel crucible will be of good use here.
Now your work process may still be not 100% automated, but all the hard work (making machine parts, grinding Ores into refined ores) should now be handled by machines, leaving you plenty of time to harvest more and more Coal/Charcoal to feed your never-ending Burning Boxes.
But, as usual now, some notes before diving in the next Age.
=== Multiblock Machines === 
What's more fun than building machines ? Building bigger machines, of course !
* You'll build a quickly after you have build you first burning box, because it's the only way to get out of . It also produces and can process Washed/Purified Lignite and Coal Ores. In terms of fuel power, the ranking is as follows:
** Lignite (4)
** Lignite Coke (8)
** Coal/Charcoal (8)
** Coal Coke (16). Note that Lignite Coke, although being half as powerful as Coal/Charcoal, could be found in much greater quantities, and the Coke Oven will produce more out of it. 
* The Coke Oven also lets you to process dusts to obtain Oil, which can further be used in a .
* A will come later, and will be a milestone on its own, but there's nothing like having a giant refinery in your own backyard. Start looking for some oil underground!
== Liquids and Gases == 
GregTech has many methods of storing fluids:
* s and s. These are essentially buckets 2.0, able to be placed and able to store specific amounts of any liquid (below 2000K). They cannot place liquids, but can be drank from.
* Barrels (or drums for metals) are in many forms, each with different capacities and different storage capabilities. Machines will insert into and extract from them directly, and it also has the ability to be piped into. You can also insert and extract fluids manually with funnels and taps. A Monkey Wrench can toggle them into auto-emitting fluid to pipes on the bottom (or the top if the fluid is lighter than air). If you want to extract into a pipe to the side, you will have to use a Compact Electric Pump as a cover; contrary to its name, this cover does not require any electricity.
* Tanks are 3x3 expensive multiblock fluid tanks that can store vastly more fluids than drums can. They can automatically output fluids to pipes through the valve if gravity allows it to (not up, or not down for rising gasses).
s can run without energy (so, for free) so craft yourself a couple; you won't regret it, especially when you start juggling Drums to transform Water into Distilled Water or Sluice Juice, and then use these fluids for other tasks later. Put a cover on a pipe, adjust its flow direction with a if necessary and it will suck up the fluid from a Tank/Drum and inject it into the pipe.
You can also connect two machine's input/output sides to each other by using fluid pipes. For instance you can pipe the fluid output of a Sluice into the fluid input of a Centrifuge, similar to putting the Coagulator under the Squeezer. Likewise you can plug Item pipes in and out of machines to carry your items automatically from/into chests or other machines.
You can just put a Tank or Drum directly next to a machine's fluid input/output and the machine will import/export the fluid with it. Note: It may take a little bit of time for the machine to "detect" the Tank or Drum.
== Machine Chains == 
One of the prevalent aspect of GT is production chains. Machines are your basic components that you utilize in several combinations, each one more and more complex, to easily and reliably achieve your goals in automation.
To inspire you, and to introduce some of the lesser known (but not so less useful) machines here are a Production Chain list you can refer to:
* Machine Parts factory: Rolling Mill/Roll Bender/Cutter/Lathe. You input Ingots and end up with Plates, Curved Plates, Springs, Rods, Screws, and so on. A good one to start with because you'll use it to make all the other chains, obviously. Not exactly a chain though.
* Ore Processing Plant: Crusher/Sifter → Bath/Sluice → Centrifuge. You input ore blocks and end up with pure Dusts, a lot of by-products (and pretty Stone Dust for your walkways), and Sluice Juice. Take note of the requirements on some machines.
* Bread Mill: Shredder → Mixer → Furnace. You input Wheat and get Bread Dough, that you can then cook to make Bread, and then Sandwiches !
* Bioethanol Rig: Shredder → Fermenter → Distillery. You input plants (Saplings, Logs, ...) and get Ethanol and Distilled Water. Ethanol can then go in a Liquid Burning Box as fuel, while the Distilled Water can replace regular Water in your Boiler.
* Saw Mill: Debarker → Buzzsaw → Lathe. You give it logs and it gives back Planks and Sticks at a ratio better than vanilla Minecraft's.
Of course in the beginning you will struggle to make a chain, having to switch machines between your few engines/turbines but slowly but surely, if you keep some clear production chain goals, you will see the results!
== The Electric Age == 
Steam will still be your main power production for a while but at some point you'll start to feel the need to store all this energy, maybe to use later at a much higher rate, or just because you have a fuel excess you are already burning anyway. You may also be interested in other energy types like MU or LU, renewable energy, or just want higher-tier, more efficient and powerful machines.
For all these needs, at some point you'll have to step up to the Electric Age.
The Electric Age is not a completely different Age from the Steam Age. In the beginning you will use a lot of Steam to create your Electricity. So don't scrap away your set of pipes and engines; you're going to use these almost the same way, to power up batteries. These batteries will then power electric machines, which are mostly more efficient than the Steam ones.
Make a ton of stainless steel until you can make a Distillation Tower. Make a burning box to heat it, and put oil into it to distill it into useful fluids and gasses. You should definitely make a diesel engine to power your tungsten and titanium setups, since they are cheaper than turbine setups and don't use much fuel. Now, you will need to make tungsten to make a smelter. Before you process the tungsten, you will need to make Hydrochloric acid (HCl). This is made from mixing salt with sulfuric acid, an acid that is also useful for making batteries in the future. Tungsten is made from bathing 6 of one of the five different tungsten-bearing minerals in HCl to make tungstic acid. Putting 7 of these into a dryer will make 4 tungsten trioxide and will also yield distilled water. Mixing 4 tungsten trioxide with a lot of hydrogen will make 1 tungsten dust, so make an electrolyzer and put water into it. You can power it with a diesel engine or turbine into a dynamo, just without a battery box for now. 
Make enough tungsten to make a tungsten crucible, and then make a smelter. Put limestone into this, and you will receive molten calcite. Put that into a drum for later. To make plastic, you will need titanium tetrachloride, which is made during titanium processing. Make a Burner Mixer, and something that outputs RU to power it. Add some chlorine to it by electrolyzing salt and water. Also add your molten calcite to it. Finally, add a source of carbon, such as coal coke dust (or carbon dust from electrolyzing charcoal), and rutile dust from processing ilmenite or rutile ore. When the Burner Mixer is on, light it with flint and tinder or a firestarter and it should start to look like a mixer.
Plastic can be made from Ethylene or Propylene, which is made from putting some of the Distillation Tower outputs into a Steam Cracker or Catalytic Cracker. Put either one of those gasses into a Mixer, as well as titanium tetrachloride, and you will make Plastic Pulp. Put this into a to make a Plastic Sheet. Make a press and combine it with quartz dust to make a , then make and combine them in the to make a .
You will need crystalline silicon. You need to smelt Certus Quartz, Milky Quartz, Quartzite, or Flint until it turns into Silicon Dioxide and then alloy it with carbon (previously mixed with dark ashes) to make metallic Silicon. Use the Compressor and some Quartz Dust to make Crystalline Quartz Plates for the Quartz Crucible and then use it to make a low-tier (For higher tier, faster crystalizers: Make a Chromium or better crucible, or you can instead make a Meteoric Steel crucible if you have picked up enough meteorites (28) if you are afraid of melting your crucible. Find an platinum vein (Height 40-50) and mine enough for 7 plates (or find some in chests). Be very careful not to overheat your iridium ore as the melting point for iridium is only 6 K below the melting point for the Chromium Crucible (that's often less than human reaction time); these make an iridium crucible). Use your silicon as both liquid and dust in the crucible with Helium, Neon, or Argon (which you can get by smelting Monazite in the Smelter) and you get a Silicon Boule, which you can cut into crystalline plates for s which are used in the Press to finish the , which you then combine with molten Lead in a to make a . Or use better and molten Tin for the better .
Your starting batteries are made of Lead and Sulfuric Acid. No canning machine required, just use the empty hull on the from your acid Tank or Mixer. Then get some from Lead and Antimony (following a 4:1 ratio), to assemble the correct number of cells into a battery. Later cells can hold more energy, like the Alkaline (Zinc-Manganese), Ni-Cad, or two types of Lithium cell.
Charging your batteries means creating electricity first, and for that you'll be needing a or and an .
The Turbine produces RU and this energy is consumed by the Dynamo to make EU.
Connect a Steam Turbine, a Dynamo, and a together and put Lead-Acid Batteries in there. They will slowly charge up as the Turbine receives Steam. The materials involved dictate Steam requirements and the generated EU. As with the basic machines, be careful when you're crunching your numbers to decide what to build and read all the tooltips.
Advanced machines may explode by using the improper Voltage or Amperage...
=== Electricity === 
The two main aspects of electricity, Voltage and Amperage, are modeled in GT6. This means that instead of following a simple tier system, where you just have to make sure the numbers of two tooltips match (32EU/t in a wire, 32EU/t in a machine), GT allows you to feed a variable amount of electricity in your machines, so that you can slightly underpower or slightly overpower a machine, like you did with Steam albeit sometimes involuntarily because of Boiler calcification. Too large of a deviation will result in either an inactive machine or an exploding one. Always plan ahead.
Electric machines and wires are defined by their ability to support Voltage and take in Amperage. The product of the two is power, expressed as
P=VI
where P is Power, V is Voltage, and I is Amperage. As long as you're careful with these two values, everything should be fine.
Amperage is defined by the number of batteries you use at once in the battery charger (or dynamos). 1 battery means an Amperage of 1, 2 means an Amperage of 2, and so on. So you can tune your Amperage in real time if needed.
Voltage is more like the EU tier you are used to. Machines need to support the circuit Voltage to be able to let the Amperage do its work. Voltage is also your basic tier converter with IC2 setup, so you can use a Polarizer/Magnetizer combo with Tin Cable powered by a Battery Box, for instance.
When you have a solid electric charging setup, you should consider crafting s, because renewable energy alleviates the need for fuel for your batteries, and mostly because it'll require a lot of thinking, crafting, and general GT machine usage to do so. IC2 nuclear energy can then be considered too, but of course be careful around radioactivity, and the blast radius.
Finally, you have electric tools, laser technology, the Robotic Age, and many other things not covered in here that will help you automate more and more steps in more and more complex work processes and production chains...
One final word: GT6 is in continuous development so feel free to check in regularly to see everything new.
And, as always, good minin' and good craftin'!
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Category:GregTech 6Category:Mod guides