Square steel tube


Square Steel Tube is a welded structural grade Tubing that is available in either type A513 or A500 Grade B, depending on Square Steel Tube’s size and Wall thickness. Either grade is ideal for all structural applications, general fabrication, manufacturing and repairs. Square Steel Tube is widely used in industrial maintenance, agricultural implements, transportation equipment, truck beds, trailers, frames, etc. It’s box-shape configuration allows for much greater strength and rigidity compared to angles or channels. This steel shape is easy to weld, cut, form and machine with the proper equipment and knowledge. Metals Depot stocks hundreds of sizes of Square Steel Tube at wholesale prices in ready to ship precut and mill lengths or you can order just what you need custom Cut to Size in any quantity.

Zhongshun’s roll forming steel products which cover a wide range of applications have been applied in construction machinery, container, steel structure, metal equipment, elevators, machinery, lifting machinery, solar energy, bridge, bus and ship, etc.

Product name: 100 x 100 x 6mm Square Steel Tube
Material: 16Mn,A106,A36,A210,S355J0H,SS400,A36
Rectangular Tube Sizes: 30mm*20mm-260mm×300mm
Rectangular Tube Standard Sizes: ASTM A500, EN10219-1
Certificates:  ISO 9001:2008,SGS, BV, CCIC etc
Wall thickness:  3.0mm-12.5mm
Surface treatment:  black paint, varnish, Oil, galvanized
Marking:  Standard marking, or according to your request. Marking Method: Spray white paint

Pipe Length:

  •   Single Random Length and double Random Length.
  •   SRL:3M-5.8M  DRL:10-11.8M or As clients requested length
  •   fixed length(5.8m, 6m, 12m)

Packaging:  Loose package;  Packaged in bundles(2Ton Max);  bundled pipes with two slings at the both end for easy loading and discharging; wooden cases; waterproof woven bag.
Test:   Chemical Component Analysis, Mechanical properties, Technical Properties, Exterior Size Inspection
Application:  Tower carne machinery


  •  Reasonable price with excellent quality
  •  Abundant stock and prompt delivery
  •  Rich supply and export experience, sincere service
  •  Reliable forwarder, 2-hour away from port.

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