... STEELSpecification: JIS G3141,GB Q235--Q345,ASTM A36,DIN STANDARD, EN STANDARD, etc All sizes from Size 20--Size 200CHANNEL STEELSpecification: ... JIS G3141, GB Q235--Q345, ASTM A36, DIN STANDARD, EN STANDARD, etc All Sizes from Size 100--Size 600 I-BEAM STEELSpecification ... : JIS G3141,GB Q235--Q345,ASTM A36,DIN STANDARD, EN STANDARD , etc PIPESpecification: Q235/ SS400 /ST37-2/ S235JR, Q345/ ...