Structural 304 Stainless Steel Square Tube For Architectural Industrial Use
Product Details
Structural Stainless Steel Square Tube
,Architectural Stainless Steel Square Tube
,Industrial Structural Steel Square Tube
304 stainless steel square tube is a hollow structural section with four equal sides. Grade 304 is the most commonly used austenitic stainless steel, offering an excellent balance of corrosion resistance, formability, and affordability.
Our 304 square tubes are suitable for structural, architectural, and industrial applications. They are available in welded and seamless options to meet different project requirements.
| Parameter | Details |
|---|---|
| Standard | ASTM A554, A312, A269, EN 10296, JIS G3446, GB/T 12770 |
| Grade | 304 |
| 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 | Percentage |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 10.5 |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength (0.2% offset) | ≥ 205 MPa |
| Elongation | ≥ 35% |
| Hardness (Brinell) | ≤ 201 HB |
| Hardness (Rockwell B) | ≤ 92 HRB |
Note: The values above are for reference only. Please refer to the mill test certificate for actual data.
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Excellent corrosion resistance for most atmospheric and chemical environments
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Good formability and weldability
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Non-magnetic in annealed condition
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High strength-to-weight ratio
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Clean, modern appearance
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Easy to cut, drill, and fabricate
304 stainless steel square tube 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
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Window and door frames
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
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Food processing equipment
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
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Retail displays
Transportation
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Truck and trailer frames
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Bus handrails
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Bicycle and motorcycle frames
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RV and camper structures
| Comparison | 304 vs 201 | 304 vs 316 |
|---|---|---|
| Corrosion Resistance | Superior to 201 | Slightly less than 316 |
| Formability | Better than 201 | Similar to 316 |
| Weldability | Better than 201 | Similar to 316 |
| Price | Moderate | Lower than 316 |
| Best For | General purpose, indoor, food processing | Marine, chemical, coastal environments |
For quotes, samples, or technical support, please reach out.
Mrs. Zhongcheng Metal
Manager
- Email: zhongcheng@metalsstainlesssteel.com
- Tel: 13309216881
- WhatsApp: 13309216881
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WeChat:
13363905196
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