Grades available: EN 10083-3 51CrV4 AISI 4140 CSA G40.21 260W IS 2062 E250C AS/NZS 3678 Grade 350WR AS/NZS Grade 500 BS 970 EN8 DIN 17210 15CrMo5 SAE J403 1038 IS 2062 E450A EN 10088-1 1.4301 GOST 4543 15H2NM IS 2062 E250A GB/T 1299 4Cr5MoSiV1 JIS G4303 SUS304 ASTM A959 SS316 AISI 1020 GB/T 1299 CrWMn EN 10025-2 S355JR UNS C26000 SAE J404 4140 ASTM A681 H11 SS 14 21 72 2172 IS 1570 C20 GB/T 3077 35CrMo EN 10088-1 1.4845 JIS G4051 S40C GOST 4543 40HFA JIS G4051 S10C BS 970 (Part 1) 708M40 EN 10083-3 42CrMo4 GB/T 3077 15CrMo SAE J403 1527 AA 7075 SS 14 23 12 2312 ASTM A572 Grade 50 SAE J403 1080 UNI 7846 18CrMo4 IS 6911 X04Cr19Ni9 JIS G4102 SNC236 BS 970 EN8M Commercial Mild Steel MS UNS C51000