... *100mm--900*300mm. 2.Grade:A36,S235JR,SS400,Q235 3.Application:building and construction Steel h beams standard size 1.Origion: Tangshan ... , DIN, JIS.ect3.Steel material: Q195,Q235,Q345,A36,S235JR,SS400.ect4.Surface finish: black or galvanized( hot dipped& electric galvanize ...