各种规格低价工厂Q235B Q345B Q420C Q460C SS400等工字梁300x300
US$460.00 - US$680.00
Min Order: 5 tons
VNSupplier
1 yrs
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
高品质150*7 * 10毫米 * 12m ASTM A252 Ss400 Q235b Q345e结构碳钢h型钢
US$500.00 - US$600.00
Min Order: 1 tons
VNSupplier
2 yrs
200x100x5.5x8 150x150x7x10 125x125 Q235B Q345B热轧碳钢型材h型钢
US$0.49 - US$0.76
Min Order: 5 kilometers
CNSupplier
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
200x100x5.5x8 150x150x7x10 125x125热轧碳钢型材h型钢
US$1,800.00 - US$2,500.00
Min Order: 5 tons
VNSupplier
1 yrs
制造商 ASTM A572 等级 50 150x150 标准 Viga H Beam I Beamcarbon vigas de acero 槽钢尺寸框架
US$395.00 - US$590.00
Min Order: 25 tons
CNSupplier
11 yrs
钢h型钢制造商ASTM A572等级50 150x150标准Viga h型钢I Beamcarbon vigas de acero槽钢尺寸
US$400.00 - US$600.00
Min Order: 25 tons
CNSupplier