There is no one steel that is the best for all applications. Choosing steel that matches your specific needs and specifications is essential. Some of the most common steels used in fabrication include Carbon 10, 11, 12, and 13. These steels are excellent for general-purpose machining because they have good wear properties and resistance to rusting and corrosion. Additionally, these steels are also ideal for creating parts with complex shapes or sharp edges because they can take a great degree of stress before shearing or breaking.