1.NAME: Steel H-beams 2.SIZES:100*100*6*8-600*300*12*20 ... A36, DIN STANDARD, UPN, UPE, etc SIZE: 50mm-400mmSTEEL H-BEAMS Specification: 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 ...