... .Grade:A36,S235JR,SS400,Q235 3.Application:building and construction Steel h beams standard size 1.Origion: Tangshan city, Hebei Province2 ... .Standard: GB, ASTM, DIN, JIS.ect3.Steel material: Q195,Q235,Q345,A36,S235JR,SS400.ect4.Surface finish ...