structural steel H beam 1.Grade:Q235,Q235B 2.Length:12m 3.Brand Name:Jinxi Steel, Tang Steel,Ma Steel,etc 1.Brief Introduction for H ... : Jinxi Steel,Tang Steel,Rizhao Steel,Ma Steel,etcd.Usage:Hot rolled H beams and welded H beams are widely used in building structures,bridge ... theoretical weight of wide, medium, narrow wing of H beams. structural steel H beam