Stainless Steel Square Tube (ASTM A554)
Industrial Material
Structural Balance: Stainless Steel Square Tubes
Stainless Steel Square Tubes are prized for their symmetrical geometry, providing excellent load-bearing stability across two axes. This makes them the preferred choice for structural columns, frames, and primary supports. Their flat surfaces also simplify welding and assembly with other components compared to round tubing, offering a clean, professional finish.
ASTM A554 Ornamental Standard
Our square tubes are produced to the ASTM A554 standard, emphasizing surface quality and dimensional accuracy. The internal weld bead is rolled flat (Internal Bead Rolled) to ensure ease of assembly with fittings. They provide the necessary strength for general structural and high-end decorative applications.
Technical Specifications
Standard: ASTM A554 (Welded Stainless Steel Mechanical Tubing)
Available Grades: 304, 304L, 316L
Standard Length: 6.0 Meters (6000 mm)
Surface Finishes: Mirror (Grit 600) / Hairline (Brushed)
Standard Weight Chart: Stainless Steel Square Tube (kg per 6m)
| Size (mm) | Wall Thickness (mm) | |||||||
|---|---|---|---|---|---|---|---|---|
| 1.0 mm | 1.2 mm | 1.5 mm | 2.0 mm | 3.0 mm | 4.0 mm | 5.0 mm | 6.0 mm | |
| 12.7 x 12.7 | 2.39 | 2.87 | - | - | - | - | - | - |
| 15.87 x 15.87 | 2.99 | 3.59 | - | - | - | - | - | - |
| 19.05 x 19.05 | 3.59 | 4.31 | 5.38 | 7.18 | - | - | - | - |
| 20 x 20 | 3.77 | 4.52 | 5.65 | - | - | - | - | - |
| 25 x 25 | - | 5.65 | 7.07 | 9.42 | - | - | - | - |
| 30 x 30 | - | 6.78 | 8.48 | 11.30 | - | - | - | - |
| 40 x 40 | - | 9.04 | 11.30 | 15.07 | 22.61 | - | - | - |
| 50 x 50 | - | 11.30 | 14.13 | 18.84 | - | - | - | - |
✓ Available in Mirror and Hairline finishes | *Weights are theoretical for estimation purposes.
Common Applications
- Structural columns, fencing posts, and balustrades.
- Modern furniture frames (tables, chairs, cabinets).
- Trade show booths and event structures.
- Architectural facades and decorative louvers.