Grades available: EN 10346 S450GD GB/T 1299 Cr12MoV SAE 3310 BS 970 EN3C ASTM A959 SS304 JIS G4303 SUS310S BS 4659 BD3 Commercial Mild Steel MS GB/T 18254 GCr15 ASTM A681 H11 BS 970 EN3A AS/NZS 3678 Grade 350 SAE J403 12L14 ASTM A681 P2 EN ISO 4957 1.2316 ASTM A681 H13 SAE J403 1541 GB/T 1299 4Cr5MoSiV