Stainless Steel Square Tube
Type 304/304L Stainless Steel Square Tube is a high-strength, corrosion-resistant structural material ideal for fabrication, architectural framing, and support systems. It offers a clean appearance along with excellent machinability and weldability.
Stainless Steel Square Tube is non-magnetic in the annealed condition and cannot be hardened by heat treatment, but its mechanical properties can be enhanced through cold working. This makes it suitable for precision structural applications.
Type 304L Stainless Square Tube contains a maximum of 0.03% carbon, minimizing the risk of carbide precipitation during welding. This enhances its corrosion resistance in welded zones, making it an excellent choice for long-term structural performance.
Specifications
Available Stock Sizes
1ft, 2ft, 4ft, 6ft, 8ft, 10ft, 12ft, 20ft, or Custom Cut to Size.
Chemical Composition
Carbon: 0.08% max, Chromium: 18-20%, Nickel: 8-10.5%, Manganese: 2% max, Phosphorus: 0.045% max, Sulfur: 0.03% max, Silicon: 1% max, Iron: Balance.
Measurement Guide
Height (A) x Width (B) x Wall Thickness (C) x Length.
PageTitle
304 304L Stainless Steel Square Tube, Weldable Corrosion Resistant Tubing for Structural Framing
Specifications
ASTM A554, ASTM A269, AISI 304/304L.
Surface Finish
Mill Finish, Dull Gray, Slightly Grainy Surface.
Workability
Easy to Weld, Moderate Cutting, Forming, and Machining.
Additional Notes
Stock lengths may vary +/- 1/4". Custom cut tolerances available.
Available in both hot rolled and cold finished options depending on requirements.
Available in both hot rolled and cold finished options depending on requirements.
Applications
Used in structural applications, food and beverage processing, chemical processing, medical, marine, and architectural projects.
Common uses include handrails, braces, supports, frames, railing systems, marine applications, and decorative uses.
Common uses include handrails, braces, supports, frames, railing systems, marine applications, and decorative uses.
Mechanical Properties
Ultimate Tensile Strength: 73,200 psi (310 MPa).
Yield Tensile Strength: 31,200 psi (276 MPa).
Brinell Hardness: 123.
Rockwell Hardness: B70.
Density: 0.289 lb/in³ (8.0 g/cc).
Melting Point: 2,550 - 2,651°F (1,400 - 1,455°C).
Yield Tensile Strength: 31,200 psi (276 MPa).
Brinell Hardness: 123.
Rockwell Hardness: B70.
Density: 0.289 lb/in³ (8.0 g/cc).
Melting Point: 2,550 - 2,651°F (1,400 - 1,455°C).
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