Square steel tube is the steel tube of equal length of four side. It is made of strip steel after process treatment. Generally, the strip steel is disassembled, flat, rolled, welded to form a round pipe, and then rolled by the round pipe into a square pipe and then cut into the required length.
| General Standard and Application of Square Steel Tube | ||
| S.N. | Standards | Application |
| 1 | ASTM A500 | Cold Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
| 2 | ASTM A501 | Hot-Formed Welded and Seamless Carbon Steel Structural Tubing |
| 3 | ASTM A511 | Seamless Staniless Steel Mechanical Tubing |
| 4 | ASTM A513 | Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing |
| 5 | ASTM A554 | Welded Stainless Steel Mechanical Tubing |
| 6 | ASTM A618 | Hot-Formed Welded and Seamless High-Strength Low-Alloy Structural Tubing |
| 7 | EN 10210 | Hot Finished Structural Hollow Section of Non-alloy and Fine Grain Structural Steels |
| 8 | EN 10219 | Cold Formed Welded Structural Hollow Sections of Non-alloy and Fine Grain Steel |
| 9 | EN 10305-5 | Steel Tubes for Precision Applications-Welded and Cold Sized Square and Rectangular Tubes |
Relevant Links:
| >> Square Steel tube | >> Rectangular Steel Tube |
| >> Oval Steel Tube | >> Special Shape Steel Tube |