steel H-beams Q235B Hot rolled Steel H beam Grade:Q235B,SS400,Q345B,A36 Size:100*100mm-900*300mm Length:6m 10m 12m Q235B Hot rolled Steel H beam Grade:Q235B,SS400,Q345B,A36 Size:100*100mm-900*300mm Length:6m 10m 12m Standard: GB,JIS,EN Size (H*W)Section,mmSection area Cm2Theoreticaiweight kg/mH×BT1T2RHW100×100100×100681021.917.2125×125125×1256.591030.3123.8150×150150×1507101340.5531.9175×175175× ...