材质
Q195-Q355,S195-S355, Gr.A, Gr.B, Gr.C
Product name
20x20 25x25 30x30 40x40 Schedule 40 Hot Dip Galvanized Square Tube
Out Diameter
19x19mm-500x500mm, 20x30mm-400x600mm
Surface
Hot dipped galvanized
Welding Technology
ERW,HFW
Packing
in bundle or wrapped by plastic bags