- Carbon Steels. Carbon steels contain trace amounts of alloying elements and account for 90% of Alloy Steels. Alloy steels contain alloying elements (e.g. manganese, silicon, nickel, titanium, Stainless Steels. Stainless steels generally contain between 10-20% chromium as the main alloyingWhat are steel grades? - ShapeCUTGrade 250 is a medium strength structural steel plate product and is one of the most commonly used steel grades. Its typically use in bridges, high-rises and in general fabrication due to its excellent strength weldability and formability. Grade 250 is available in a range of thicknesses from 3mm to 300mm.
Type 440. a higher grade of cutlery steel, with more carbon in it, which allows for much better edge retention when the steel is heat treated properly. It can be hardened to Rockwell 58 hardness, making it one of the hardest stainless steels. Also known as "razor blade steel". Available in three grades 440A, 440B, 440C (more common) and 440F The Four Types of Steel Metal SupermarketsMar 23, 2015 · There are many different grades of steel that encompass varied properties. These properties can be physical, chemical and environmental. All steel is composed of iron and carbon. It is the amount of carbon, and the additional alloys that determine the properties of each grade.Guide to GunmetalDec 29, 2011 · 1020 and 1520Common, "plain" or cold-rolled steel. You'll find it in trigger guards, floorplates, sights, sling swivels and other steel hardware. 4140Ordnance steel or chrome-moly steel, it has 0.4 percent carbon and is really strong while still being cost-effective to machine.