... :GB, GB/T11263-1998,JIS G31301,ASTM, BS, EN,DINSteel Material Grade:S235JR/S235JRG1/S235JO/S235J2/S355JR/A36/A572/SS400/Q235 ... , housing construction, pressure vessels, oil storage tanks, bridges, power plant equipment, material handling equipment and other welded structures such as high loads.size (mm ...