6061 Aluminum Squares - 3-1/2 Inches
6061-T6 Aluminum Square Bar - 3-1/2" x 3-1/2" x 144"
This 3-1/2" x 3-1/2" 6061-T6 Aluminum Square Bar offers a high strength-to-weight ratio for demanding structural projects. Certified to ASTM B211, it combines 45,000 PSI tensile strength with excellent machinability and corrosion resistance, making it a versatile choice for 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, known for its excellent mechanical properties. This grade is heat-treated and artificially aged to achieve high strength and good toughness. Conforming to ASTM B211, it is one of the most versatile structural alloys, prized for its superior weldability, workability, and corrosion resistance in atmospheric conditions.
As a large-profile bar, this 3-1/2" square is ideal for heavy-duty structural applications. It is commonly used for machinery base plates, robust support brackets, large jigs and fixtures, and structural frames where strength, stability, and precise dimensions are critical requirements for performance.
Specifications
- Material: 6061-T6 Aluminum
- Standards: ASTM B211
- Strength/Tensile: 45,000 PSI
- Dimensions: 3-1/2" x 3-1/2" x 144"
- Finish: T6 Temper Mill Finish
- Certifications: MTR Available
Applications
- Machinery & Tooling: Base plates, jigs, and fixtures - excellent dimensional stability and machinability.
- Structural Engineering: Support brackets, gussets, and frames - high strength-to-weight ratio for robust construction.
- Transportation: Heavy-duty automotive or marine components - good strength combined with superior corrosion resistance.
- Aerospace: Non-critical structural components and ground support equipment - reliable performance and workability.
Target Users
Fabricators, machinists, and structural engineers rely on 6061-T6 Aluminum Square Bar for its versatile performance in demanding applications throughout the Los Angeles area.
Finish Options
This product comes standard with a T6 temper mill finish, which may include minor surface imperfections from the manufacturing process. For applications requiring a specific aesthetic or enhanced surface properties, it can be anodized, powder-coated, or polished. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Square bar is measured by its width (A) and height (B), which are equal. For this product, both dimensions are 3-1/2".
Example: To order this square bar, specify "6061 Aluminum Square, 3-1/2" x 144" length".
Order Checklist
- Product name and required dimensions (3-1/2" x 3-1/2" x 144")
- Material specification and quantity
- Confirm grade (6061-T6) meets requirements
- Surface finish requirements (T6 Temper Mill Finish)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- 6061-T6 Aluminum Square Bar - 3-1/2" x 3-1/2" x 144"
- Material
- 6061-T6 Aluminum
- Standards
- ASTM B211
- Key Properties
- 45,000 PSI tensile, Excellent Machinability, Excellent Weldability
- Primary Applications
- Structural Frames, Base Plates, Jigs & Fixtures
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 6061 Aluminum Square Bar in sizes from 1/4" to 6" and standard lengths up to 144". This 3-1/2" x 3-1/2" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing