Grades available: ASTM SHG Zinc EN 10084 20NiCrMo2-2 SAE J404 52100 JIS G4801 SUP9 BS 970 (Part 3) 817M40 UNS C12200 Commercial Mild Steel MS ASTM A588 Grade A EN 10083-3 42CrMo4 UNS C36000 ASTM A959 SS304