H-beam: material: q235a, q235b, q345b, ss400, q235, q345, various specifications Hot rolled h-beam: 350175711 3602501219 3603501219 3903001016 396199711 400200813 4004001321 4144051828 4403001118 450200914 4823001115 5002001016 5823001217 5883001220 5943021220 6002001117 8003001324 8003001426 High frequency welding h-beam: 200*100*4.5*6.0. 200*150*3.2*4.5. 200*150*6.0*8.0. 200*150*6.0*8.0. 250*125*3.0*3.0. 250*125*3.2*4.5. 250*125*6.0*8.0. 300*150*3.2*4.5. 300*175*4.5*6.0. 350*175*6.0*8.0 600*200*6.0*8.0 600*200*8.0*10. 600*250*8.0*10.Mm
