... by DIN, 150M19, 150M28,185H40 serie Structural Alloy Steel BarWe are professional ofsupplying structure alloy steel bar bystandard ASTM A6M A322 A355 A434 A739 ... ,34Mn5, 36Mn7, 50Mn7, 37MnSi5, 46MnSi4,17Cr3, 15Cr3, 17Cr3, 20Cr434Cr4,37Cr4,41Cr4,13CrMo44, 13CrMo45By BS:150M19, 28Mn6,150M36, En46, 170H41,185H40,527A17 ...