... , 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 ... 70244*175*7*1144.10248*124*5*825.80250*125*6*929.70250*250*9*1472.40250*255*14*1482.20294 ... 70344*348*10*16115.00344*354*16*16131.00346*174*6*941.80350*175*7*1150.00350*350*12*19137.00350 ...