... weight 3)Reduce material 4)High strength Steel H beam is a kind of new economical structural ... Compared with ordinary I beam ,the internal stress of H beam is small ,section modulus is big ,weight ... ,which causes structure weight reduce 30%~40%.Welded H beam is much lighter and thus save cost ... fine appearance, wide range of application. After using H beams,30%-50%construction time can be decreased and ...