... # 3) LENGTH: 6M, 9M, 12M 4) MATERIAL: Q235, SS400, ASTM A 36, S235JR 1) TYPE: HOT ROLLED I BEAM 2) SIZE ... # 3) LENGTH: 6M, 9M, 12M 4) MATERIAL: Q235, SS400, ASTM A 36, S235JRChinese stardand Materialproduct codeSpecification(mm)Weight(kg) 8#80 ... .536.52425#A250*116*838.10525#B250*118*1042.0328#A 280*122*8.543.49228#B280*124*10.547.88830 ...