Grades available: JIS G4801 SUP9 BS 970 EN18 ASTM A959 SS316 Commercial Mild Steel MS GOST 380 St3ps BS 970 EN24 CSA G40.21 400W AS/NZS 3679.1 300 ASTM A709 Grade HPS 70W SAE J404 4140 SAE J404 8620 BS 970 (Part 1) 535A99 EN 10084 20NiCrMo2-2 ASTM A681 D2