... ST37-2, A36, S235JRG1, Q235, Q345 etc. 6M,9M,12M.. H beam steelMaterial: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc ... . Length: 6meter, 9meter, 12meter Size: 100*100*6*8 250*250*9*14 450*200*9*14 125*125 ... *18*18169.00396*199*7*1156.70400*200*8*1366.00400*150*8*1355.80400*400*13*21172.00400*408*21 ... 50428*407*20*35284.00440*300*11*18124.00446*199*8*1266.70450*200*9*1476.50470*202*11*24115.20482 ...