6061 Aluminum Squares - 4-1/2 Inches
6061-T6 Aluminum Square Bar - 4-1/2 Inches
This 4-1/2" 6061-T6 aluminum square bar offers a high strength-to-weight ratio for demanding structural jobs. Certified to ASTM B211, it provides 45,000 PSI tensile strength, excellent machinability, and superior corrosion resistance, making it ideal for heavy-duty frames and large 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, giving it excellent mechanical properties. This versatile structural alloy provides a great combination of strength, toughness, weldability, and corrosion resistance. The square bar form, manufactured to ASTM B211, features sharp corners and tight dimensional accuracy, making it a reliable choice for precision fabrication and structural work.
As a large-format 4-1/2" square bar, this material is particularly suited for heavy-duty applications. Common uses include base plates for machinery, structural supports in building frames, forging stock, and large, dimensionally stable machined parts where weight savings over steel is a priority without sacrificing performance.
Specifications
- Material: 6061-T6 Aluminum
- Standards: ASTM B211
- Strength/Tensile: 45,000 PSI
- Dimensions: 4-1/2" x 4-1/2" x 144"
- Finish: T6 Temper (Mill Finish)
- Certifications: MTR Available
Applications
- Industrial Machinery: Base plates and support frames - provides a stable, strong, and lightweight foundation.
- Structural Engineering: Heavy support brackets, gussets, and building frame components - high strength-to-weight ratio.
- Transportation: Heavy-duty vehicle and marine structural components - offers strength with excellent corrosion resistance.
- Tooling & Dies: Jigs, fixtures, and tooling plates - excellent machinability and dimensional stability.
Target Users
Fabricators, structural engineers, and CNC machinists rely on 6061-T6 square bar for its reliable performance and versatility in demanding applications throughout the Los Angeles area.
Finish Options
This product comes standard with a mill finish in the T6 temper, characterized by a semi-smooth, matte surface. 6061 aluminum responds exceptionally well to anodizing for improved surface hardness and corrosion resistance, powder coating for color, or polishing. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Square bar is measured by the length of its side (width) and its overall length. Use calipers to verify the side dimension for accuracy.
Example: To order this square bar, specify "6061 Aluminum Square Bar, 4-1/2 inch side x 144 inch length".
Order Checklist
- Product name and required dimensions (4-1/2" x 4-1/2" 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 Aluminum Squares - 4-1/2 Inches
- Material
- 6061-T6 Aluminum
- Standards
- ASTM B211
- Key Properties
- 45,000 PSI tensile, Excellent Machinability, Excellent Weldability
- Primary Applications
- Base plates, heavy structural frames, large machined parts
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 6061 Aluminum Square Bar in sizes from 1/4" up to 6" and lengths up to 144". This 4-1/2" x 4-1/2" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing