... 1. ISO9000 2.1.8-7.5mm*1215-1500mm*C 3.Hard, full hard, steel Hot rolled steel coil /HRC Steel coil ... coilMaterialQ235, Q345, SS400, A36, S235JR, S355JR, S45C, S50C, A572ST37, ST37-2, ST52 and etc.StandardASTM A570, ASTM A36, JIS G3101, SAE ... ,mechanical manufacturing,pavement slab, regular useProperties hot rolled steel coil/ HRC