Square Steel Pipe is known for its use in construction, its rust-protective coating makes it a preferrable metal option for automotive applications. Galvanized steel is an excellent material for corrosion-resistant fasteners.

| Product | Square Steel Pipe |
| OD | 20*20-500*500 |
| Wall Thickness | 1.2mm-15mm |
| Length | Length can be customized,Maximum 12M |
| Steel material | Q195 ,Q215,Q235,Q345 |
| Standard | GB/T3092-1993,GB3640-88 |
| Usage | Used For Structure, Construction, Accessorize |
Surface Treatment of Square Steel Pipe
1. Bared 2.Black Painted (varnish coating)
3.Galvanized
4. With Oiled
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