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 ... , construction and structural service.5. Common size JIS Standard H-beams H x B(mm)T1T2JIS Weight(kg/m)GB Weight(kg/m ... .5820.921.7248*1245825.125.8250*125692929.7 Construction Steel H-Beams