... G3101-2004 Hot rolled Q235 grade H-beam modelgradeprovide capacity(ton)specified lengthexecutive standardHot rolled H-beam steelQ235 Q345ASS400 SS4901700006m-18mGB/T11263 ... ,808*302,800*300,792*300,750*300,742*300,700*300692*300,650*300,646*299,606*201,600*200 ... ,148*100,125*125,100*100 HOT rolled Q235 grade H-beam