... 20--Size 200CHANNEL STEELSpecification: JIS G3141, GB Q235--Q345, ASTM A36, DIN STANDARD, UPN, UPE, etcSIZE: 50mm-400mmH-BEAM STEELSpecification: ... JIS G3141, GB Q235--Q345, ASTM A36, DIN STANDARD, EN STANDARD, etcAll Sizes from Size 100--Size ... 600I-BEAM STEELSpecification: JIS G3141,GB Q235--Q345,ASTM A36,DIN STANDARD, IPE, IPEAA, etcAll sizes as per your ...