Stainless Steel Rectangular Tube (ASTM A554)
Industrial Material
Engineering Advantage: Stainless Steel Rectangular Tubes
In structural engineering, when load resistance is required primarily in one direction (such as floor beams or roof rafters), Rectangular Tubes offer a significant mechanical advantage over square tubes of the same weight. Their elongated cross-section handles bending moments more efficiently, while their sleek profile allows for space-saving and modern architectural aesthetics.
What is the ASTM A554 Standard?
ASTM A554 is the international standard for Welded Stainless Steel Mechanical Tubing. It focuses strictly on surface quality, finish consistency, and Outside Diameter (OD) precision. Unlike pressure pipes, these are designed for structural and decorative applications where appearance and dimensional accuracy are paramount.
Technical Specifications
Standard: ASTM A554 (Ornamental / Mechanical Grade)
Available Grades: 304, 304L, 316L
Standard Length: 6.0 Meters (6000 mm)
Surface Finishes: Mirror (Grit 600) / Hairline (Brushed)
Standard Weight Chart: Stainless Steel Rectangular Tube (kg per 6m)
| Cross-Section 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 | |
| 20 x 10 | 2.83 | 3.39 | - | - | - | - | - | - |
| 40 x 20 | - | 6.78 | 8.48 | 11.30 | - | - | - | - |
| 100 x 50 | - | - | 21.20 | 28.26 | 42.39 | 56.52 | - | - |
| 120 x 80 | - | - | - | 37.68 | 56.52 | 75.36 | 94.20 | 113.04 |
✓ Available in Mirror and Hairline finishes | *Weights are theoretical for estimation purposes.
Primary Applications
- Modern door, window, and gate frames.
- Load-bearing horizontal supports and rafters.
- Industrial-style furniture (desk legs, shelving frames).
- Architectural facades and sun-shading louvers.
