H soldadura vigas h 6 "x12lbs w6x8.5 viga de acero forma Q235b q345b热卖结构碳钢工字钢
US$545.00 - US$610.00
Min Order: 5 tons
CNSupplier
7 yrs
ASTM A36 A992 h型钢热轧焊接通用梁Q235B Q345B工字钢槽钢镀锌h型钢结构钢
US$440.00 - US$520.00
Min Order: 1 tons
SGSupplier
1 yrs
200x150 hea 140热辊形焊缝astm a709 corten合金钢h型钢价格h型钢建筑支架用h型钢
US$560.00 - US$600.00
Min Order: 1 tons
CNSupplier
钢h型梁Q235B Q355B Q355D Q355E hea 200美国材料试验学会a36碳素450钢梁中国钢屋顶梁
US$490.00 - US$630.00
Min Order: 50 tons
USSupplier
1 yrs
国标欧洲DIN标准h型钢100毫米20毫米s235 jr a36 s275 jr ss400钢HEB HEB IPE 150x150碳钢h型钢
US$489.00 - US$549.00
Min Order: 25 tons
CNSupplier
Ss440 A36 S235jr S355jr S355j2 Q235B Q355b热轧碳不锈钢H形型材钢H C U形钢梁
US$579.00 - US$699.00
Min Order: 1 tons
CNSupplier
2 yrs
GB HW150 * 100 ASTM A36 Q235b焊接梁h柱h梁生产线30英尺钢h梁
US$500.00 - US$520.00
Min Order: 25 tons
CNSupplier
1 yrs