Skip navigation Relentless Innovation. ® Sustainable Growth. BUSINESSES + PRODUCTS MARKETS NEWSROOM ABOUT CAREERS INVESTORS MARKETS AEROSPACE DEFENSE SPECIALTY ENERGY MEDICAL CONSUMER ELECTRONICS Newsroom It all hangs on our forgings. A heavy-lift military helicopter can hoist a combat vehicle into the air, carry it 50 miles, and stick the landing perfectly. Our forgings give its rotor hub assembly the incredible strength and durability it needs for the mission. Learn More ATI is critical to national security and defense. We generate annual revenues of nearly $400 million helping the armed services achieve their mission. Learn More Defense About ATI Defense Products Manufacturing Capabilities Tools + Resources Solutions that power and protect Military readiness depends on systems that can respond anywhere and any time with speed, precision and resilience. Our specialty materials play a key role in supporting this effort — in jet engines; structures for land vehicles; systems for ships; and sophisticated armor that protects systems and people when they’re in harm’s way. Through an extensive, integrated, U.S.-based supply chain, we produce a wide range of military-grade titanium, specialty steels, and other materials and components for defense contractors and other customers. We make these materials available in a complete range of forms and processes, and have the resources to fabricate components as well. Our dedicated defense team supports customers with engineering, materials knowledge and technical support. Products Titanium alloys for armor, high-strength, and high-temperature applications High-Hard, Dual-High Hard, Ultra-High-Hard, and Stainless Steels for armoring Corrosion-resistant, tooling, and structural applications Nickel-based alloys Tungsten Zirconium Hafnium Niobium Fabricating Learn More Applications Airframes and structural components Jet engines Land vehicles Armoring Naval systems Weapons Products ATI Defense serves the needs of government defense departments, defense contractors and fabricators in the U.S. and allied countries with an unsurpassed array of specialty materials and armor products, engineering, and technical services. ATI's products and services are used for many critical land-based vehicle applications. Product Listing Titanium Alloys ATI 425®-MIL Armor-grade Titanium ATI 6-4-MIL™ Armor-grade Titanium ATI Grade 7 ATI 3-2.5™ (Grade 9) ATI Grade 11 ATI Grade 12 ATI Grade 16 ATI Grade 17 ATI Grade 18 ATI 6-4 ELI™ (Grade 23) Specialty Steels ATI K12®-MIL Dual Hard Steel ATI 500-MIL® High-Hard Steel ATI 600-MIL® Ultra-High-Hard Steel ATI 201LN Austenitic Stainless Steel ATI 2003® Duplex Stainless Steel ATI 2102™ Duplex Stainless Steel ATI 2205™ Duplex Stainless Steel ATI S240® Martensitic Stainless Steel ATI C-200™ Austenitic Stainless Steel ATI C-250™ Austenitic Stainless Steel ATI C-300™ Austenitic Stainless Steel ATI C-350™ Austenitic Stainless Steel ATI 13-8™ Precipitation Hardened Steel ATI 15-5™ Precipitation Hardened Steel ATI 15-7™ Precipitation Hardened Steel ATI 17-4™ Precipitation Hardened Steel ATI 17-7™ Precipitation Hardened Steel ATI 302 Chromium-Nickel Stainless Steel ATI 304 Chromium-Nickel Stainless Steel ATI 304L Chromium-Nickel Stainless Steel ATI 305 Chromium-Nickel Stainless Steel ATI 321™ Stabilized Stainless Steel ATI 347™ Stabilized Stainless Steel ATI 348™ Stabilized Stainless Steel ATI 255™ Duplex Stainless Steel Specialty Alloys ATI NiTi Alloys ATI NiTi SEA 1™ ATI NiTi SEA 2™ ATI NiTi SMA 1™ ATI NiTi SMA 2™ ATI NiTiFe™ Alloy ATI NiTiNb™ Alloy Specialty Titanium Steel, Tungsten & Zirconium Alloys & Powders Engineered Products Titanium & Steel Forged Parts Machining Capabilities Powder Metals Product Forms ATI Defense leverages its integrated, U.S. based supply chain and an array of unsurpassed capabilities to offer a wide range of product forms and semi-finished components for the defense industry. Round Products Ingot Billet Bar Rod Wire Pipe Tube Flat Products Slab Plate Sheet Strip Foil Net-Shape Products Forgings Near-Net Shapes Powder Products Machined Components Manufacturing Capabilities ATI's product breadth, technical depth and unsurpassed manufacturing capabilities give us the scale and flexibility to deliver more than just military-grade metals. Customers rely on us for: Metallurgical expertise and support Custom engineering Materials testing support Supply in quantities from prototype to mill-run And importantly, ATI offers certainty of supply because: We control the entire material flow path Our manufacturing capabilities are broad and U.S.-based, ensuring supply security through duration of contracts Tools + Resources ATI Defense is committed to advancing the use and application of specialty metals in the defense industry. Our Resources section is designed to share news and information, data and additional depth on our products and services for a range on interested parties, including defense contractors, manufacturers, and suppliers. Click here for our Fact Sheet. Articles Maritime Reporter - Examining the Business Case for a Titanium Ship ATI 425®-MIL Titanium Universal l Adapter Prototype U.S. Navy Uses Proprietary ATI Alloy For New Destroyer Ships Development and Ballistic Testing of a New Class of High Hardness Armor Steel ATI Defense Executive Briefing – AUSA IA Times Army Research Laboratory – Development and Ballistic Testing of a New Class of Auto-Tempered High-Hard Steels Associations Association of the United States Army (AUSA) Navy League of the United States (NLUS) National Center for Defense Machining & Manufacturing (NCDMM) Marine Machinery Association (MMA) Manufacturers Alliance (MAPI) Pacific Northwest Defense Coalition (PNDC) Technical Services Following a systematic engineering approach, ATI’s full-service Failure Analysis provides a thorough laboratory analysis, detailed explanation of the failure cause, practical advice and guidance for failure prevention, and expert-witness testimony if necessary. 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