1.JIS G3141,GB Q235--Q345,ASTM A36,DIN STANDARD, UPN, UPE, etc 2.SIZE: 50mm-400mm TANGSHAN BAIFENG STEEL STRENGTHSPRICE: Keep lower operating costs so ... Q235--Q345,ASTM A36,DIN STANDARD, UPN, UPE, etc SIZE: 50mm-400mmH—BEAMSpecification: JIS G3141,GB Q235--Q345,ASTM A36,DIN STANDARD, EN ...