Square pipe is a kind of hollow section steel pipe with square cross-section, formed by cold bending of strip steel and then high-frequency welding. It is widely used in structural and mechanical fields, with the characteristics of large section modulus and high bending and torsion resistance.
Standards and Material
Execution standard: GB/T 6725, GB/T 6728
Common materials: Q235B, Q355B
Delivery state: black material, can be hot-dip galvanized, painted or coated
Conventional Specifications
| Item | Conventional Range |
|---|---|
| Square pipe | 20×20 ~ 200×200mm |
| Rectangular pipe | 20×30 ~ 150×200mm |
| Wall thickness | 1.2-8.0mm |
| Length | Conventional 6m, customizable |
Product Features
Reasonable section, high bending and torsion resistance
Easy to bolt, weld, cut and process
Various specifications and complete inventory
Main Applications
Steel structure engineering, curtain wall, equipment rack, photovoltaic bracket, guardrail, shelf, fitness equipment, etc.