Stainless Steel Grades (The Ultimate Guide) | MachineMfg
Stainless Steel Grades. 200 series stainless steel. Contain chrome, nickel, manganese, belongs to austenitic stainless steel. 300 series stainless steel. Contain chrome, nickel, also belongs to austenitic stainless steel. 301 stainless steel. It has good malleability and applied in forming products. It can also be quickly hardened by machining.