1.Construction Steel H-Beams 2.JIS standard, GB Standard, EN Standard 3. A36, SS400, ST37, Q235B, ST 52 1.Construction Steel Steel H-Beams2.JIS standard ... , GB Standard, EN Standard3. A36, SS400, ST37, Q235B, ST 524. H beam is ... widely used in building, construction and structural service.5. Common size JIS Standard H-beams H x B(mm)T1T2JIS Weight ...