Grades available: EN 10083-3 34Cr4 SAE J404 4118 BS 970 (Part 3) 080M30 GB/T 1299 CrWMn Commercial Mild Steel MS ASTM A681 H13 SAE J404 4340 ASTM A283C GB/T 1299 4Cr5MoSiV EN 10084 16MnCr5