Stainless Steel Flat Bar 304 - 1/2 Inch X 3-1/2 Inch
Stainless Steel Flat Bar 304 - 1/2 Inch X 3-1/2 Inch
This 1/2" x 3-1/2" 304 Stainless Steel Flat Bar provides a robust structural profile with excellent corrosion resistance. Conforming to ASTM A276, it delivers 73,200 PSI tensile strength and superior weldability, making it ideal for fabrication, supports, and base plates. In stock Los Angeles.
- 304 Stainless Steel Construction
- ASTM A276 Certified
- 73,200 PSI Tensile Strength
- Excellent Corrosion Resistance
Type 304 stainless steel is a versatile chromium-nickel alloy known for its excellent blend of strength, ductility, and corrosion resistance. Supplied in an annealed condition, it is non-magnetic and conforms to ASTM A276. This grade is easily welded and formed, making it a reliable choice for a wide range of fabricated parts in both industrial and architectural settings.
As a large-profile flat bar, this 1/2" x 3-1/2" size is specified for heavy-duty applications. Its substantial cross-section provides the strength needed for structural base plates, equipment mounting pads, heavy braces, and frame components in corrosive environments.
Specifications
- Material: 304 Stainless Steel
- Standards: ASTM A276
- Strength/Tensile: 73,200 PSI
- Dimensions: 1/2" Thickness x 3-1/2" Width x 144" Length
- Finish: Annealed, Mill Finish
- Certifications: MTR Available
Applications
- Industrial Fabrication: Base plates for machinery - provides a stable, corrosion-resistant foundation.
- Construction: Structural supports and gussets - offers high strength and weather resistance.
- Food & Beverage: Equipment framework - hygienic surface that resists organic acids and cleaning solutions.
- Marine: Brackets and fittings in freshwater environments - good corrosion resistance for non-critical components.
Target Users
Fabricators, structural engineers, and machine builders rely on 304 flat bar for its strength and corrosion resistance in commercial and industrial projects throughout the Los Angeles area.
Finish Options
This product comes standard with a mill finish from the hot rolling process, consistent with ASTM A276 standards. For specific project requirements, other finishes such as polished (#4 brushed) may be available via special order. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Flat bar is measured by its Thickness and Width. Use calipers to measure the two flat sides of the rectangular cross-section.
Example: To order this flat bar, specify "304 Stainless Flat Bar, 1/2" x 3-1/2" x 144" length".
Order Checklist
- Product name and required dimensions (1/2" x 3-1/2" x 144")
- Material specification and quantity
- Confirm grade (304) meets requirements
- Surface finish requirements (Annealed, Mill Finish)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- Stainless Steel Flat Bar 304 - 1/2 Inch X 3-1/2 Inch
- Material
- 304 Stainless Steel
- Standards
- ASTM A276
- Key Properties
- 73,200 PSI tensile, Excellent Weldability, Excellent Corrosion Resistance
- Primary Applications
- Base plates, structural supports, machine components
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 304 Stainless Flat Bar in a wide range of widths and thicknesses, with standard lengths up to 144". This 1/2" x 3-1/2" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing