Round Bar Round Bar Round Bar Technicial Specifications Description Standard DIN / EN / ASTM Quality S235JR (ST37) / S275JR (ST 44) / S355JR (ST 52) / ASTM A36 / ASTM A572 GRADE 50 Length 5.800 mm / 6.000 mm / 6.100 mm / 12.000 mm Dimensions 6 mm up to 80 mm