... Bar 1.Diameter:6mm--50mm 2. Standard: BS/ASTM/GB/DIN/JIS 3.Material:20MnSi 4.Length:6m-12m ... 16,Φ18,Φ20,Φ22,Φ25,Φ28,Φ32,Φ36,Φ40,Φ50;Or 3#,4#,5#,6#,7#,8#,9#,10 ... HRB335/HRB400/HRB500);BS4449 -1997 GRADE 250B, 460B; BS4449-2005 GRADE 500B;ASTM A615 GRADE 40,GRADE60,GRADE75; ASTM A706;DIN488-1 420S/500S ... , BST500SJIS G3112 SD35, SD40, SD50,SD390NFA 35016 FE E 400, FE E 500 CA 50 ...