6061 Aluminum Squares - 3 Inches
6061-T6 Aluminum Square Bar - 3" x 3" x 144"
This 3" x 3" 6061-T6 Aluminum Square Bar is a structural alloy known for its high strength-to-weight ratio and excellent corrosion resistance. Conforming to ASTM B211, it offers great machinability and weldability, making it ideal for structural frames and machined components. In stock Los Angeles.
- 6061-T6 Aluminum Construction
- ASTM B211 Certified
- 45,000 PSI Tensile Strength
- Excellent Machinability & Weldability
6061-T6 is a precipitation-hardened aluminum alloy containing magnesium and silicon. This T6 temper condition means it has been solution heat-treated and artificially aged to achieve maximum strength. Known as a structural alloy, it offers an excellent combination of strength, toughness, corrosion resistance, and weldability, conforming to ASTM B211 standards for consistent performance.
The substantial 3-inch cross-section provides significant structural integrity, making this bar suitable for heavy-duty applications. It is commonly used for machinery base plates, large jigs and fixtures, structural supports, and heavy equipment mounting where dimensional stability and high strength are required.
Specifications
- Material: 6061-T6 Aluminum
- Standards: ASTM B211
- Strength/Tensile: 45,000 PSI
- Dimensions: 3" x 3" x 144" Length
- Finish: T6 Temper Mill Finish
- Certifications: MTR Available
Applications
- Structural & Construction: Support brackets, gussets, and building frames - High strength-to-weight ratio for robust support.
- Machinery & Tooling: Jigs, fixtures, and base plates - Excellent machinability and dimensional stability for precision parts.
- Transportation: Automotive chassis components and marine fittings - Good strength and superior corrosion resistance.
- Aerospace: Non-critical structural components and fittings - Versatile properties and proven performance.
Target Users
Machinists, fabricators, and structural engineers rely on 6061-T6 square bar for its balanced properties in industrial and construction projects throughout the Los Angeles area.
Finish Options
This product comes standard with a T6 temper mill finish, which may have some surface imperfections. For improved corrosion resistance and a decorative appearance, 6061 aluminum responds well to anodizing or powder coating. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Square bar is measured by its side width (A) and height (B), which are equal. The length is the third dimension. Use calipers for an accurate measurement of the sides.
Example: To order this square bar, specify "6061-T6 Aluminum Square Bar, 3" x 3" x 144" length".
Order Checklist
- Product name and required dimensions (3" x 3" x 144")
- Material specification and quantity
- Confirm grade (6061-T6) meets requirements
- Surface finish requirements (T6 Mill Finish)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- 6061-T6 Aluminum Square Bar - 3" x 3"
- Material
- 6061-T6 Aluminum
- Standards
- ASTM B211
- Key Properties
- 45,000 PSI tensile, Excellent Machinability, Excellent Weldability
- Primary Applications
- Structural Frames, Machinery Bases, Jigs & Fixtures
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 6061-T6 Aluminum Square Bar in sides from 1/4" to 4" and lengths up to 144". This 3" x 3" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing