Grades available: EN 10084 16MnCr5 CSA G40.21 350A EN 10083-3 34Cr4 ASTM A283C GB/T 1299 4Cr5MoSiV BS 970 (Part 3) 080M30 SAE J404 4340 SAE J404 4118 GB/T 1299 Cr12MoV