Stainless Steel Hollow Section Square Tube Corrosion Resistant For Frames Railings
Stainless steel square tubing is a hollow structural section with four equal sides. It combines high strength, excellent corrosion resistance, and a clean, modern appearance.
Our square tubing is manufactured from premium stainless steel grades and is suitable for structural, architectural, and industrial applications. Both welded and seamless options are available to meet different project requirements.
| Parameter | Details |
|---|---|
| Standard | ASTM A554, A312, A269, EN 10296, JIS G3446, GB/T 12770 |
| Grades | 201, 304, 304L, 316, 316L |
| Size (Width x Width) | 10 mm x 10 mm – 200 mm x 200 mm |
| Wall Thickness | 0.8 mm – 6.0 mm |
| Length | 3000 mm, 4000 mm, 6000 mm (custom cut available) |
| Process | Welded (ERW) or Seamless (Cold Drawn) |
| Surface Finish | Mill finish, Pickled, Polished (No.4, BA, Mirror), Brushed |
| Element | Grade 304 | Grade 316 | Grade 201 |
|---|---|---|---|
| Carbon (C) | ≤ 0.08 | ≤ 0.08 | ≤ 0.15 |
| Silicon (Si) | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 | 5.5 – 7.5 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.045 | ≤ 0.050 |
| Sulfur (S) | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 |
| Chromium (Cr) | 18.0 – 20.0 | 16.0 – 18.0 | 16.0 – 18.0 |
| Nickel (Ni) | 8.0 – 10.5 | 10.0 – 14.0 | 3.5 – 5.5 |
| Molybdenum (Mo) | — | 2.0 – 3.0 | — |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| 304 | ≥ 515 | ≥ 205 | ≥ 35 |
| 316 | ≥ 515 | ≥ 205 | ≥ 35 |
| 201 | ≥ 620 | ≥ 310 | ≥ 30 |
Note: The values above are for reference only. Please refer to the mill test certificate for actual data.
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High strength-to-weight ratio
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Excellent corrosion resistance
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Clean, modern aesthetic
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Easy to weld, cut, and fabricate
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Available in welded or seamless options
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Multiple surface finishes available
Stainless steel square tubing is used across a wide range of industries:
Structural & Architectural
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Handrails and guardrails
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Building and canopy frames
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Support columns
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Staircase railings
Industrial
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Conveyor system frames
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Machine guards and enclosures
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Equipment supports
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Workbenches and shelving
Commercial & Decorative
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Furniture frames (tables, chairs, shelving)
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Display racks and stands
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Store fixtures
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Signage frames
Transportation
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Truck and trailer frames
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Bus handrails
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Marine railings
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Bicycle and motorcycle frames
For quotes, samples, or technical support, please reach out.
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