Hot rolled structural steel H beam 1. Standard: GB, JIS, ASTM 2. Length: 5.8-12m 3 ... 5.8m, 6m, 12m, or as the customers’ requirements.Usage: (1).used for the plant, high-rise building construction (2).used ... .577.9500*200*10*1689.688.2510*206*16*21129 512*202*12*22114 506*201*11*19103102582*300*12*17137133588 ... 300*13*24185182800*300*14*26210206.8900*300*16*28243240.1 hot rolled structural steel H beams