Grades available: DIN EN 10083-2 C30 ASTM A959 SS304 GB/T 1299 9CrWMn EN 10084 20MnCr5 AA 1100 Commercial Mild Steel MS EN ISO 683-17 100Cr6 EN 10083-2 28Mn6 BS 4659 BH21 UNS C17200 SAE J404 4340 UNS C11000 BS 970 EN31