6061 Aluminum Squares - 4 Inches
6061-T6 Aluminum Square Bar - 4" x 4"
This 4" x 4" 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 provides 45,000 PSI tensile strength, good machinability, and superior weldability for demanding applications. 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, making it one of the most versatile heat-treatable alloys. It offers an excellent combination of high strength, good toughness, and great weldability. Known as a structural alloy, its good surface finish and excellent corrosion resistance make it a popular choice for a wide range of applications where durability is critical.
As a large 4" square bar, this product is ideal for heavy-duty structural applications. Common uses include building heavy equipment frames, support columns, machinery base plates, and large-scale machined components where dimensional stability and strength are paramount. Its substantial cross-section provides excellent rigidity for demanding loads.
Specifications
- Material: 6061-T6 Aluminum
- Standards: ASTM B211
- Strength/Tensile: 45,000 PSI
- Dimensions: 4" x 4" x 144"
- Finish: T6 Temper Mill Finish
- Certifications: MTR Available
Applications
- Heavy Structural: Building frames and industrial supports - high strength-to-weight ratio.
- Machinery: Base plates and die components - excellent machinability and stability.
- Transportation: Heavy equipment mounting and chassis parts - good strength and corrosion resistance.
- Aerospace: Jigs, fixtures, and non-critical structural parts - reliable and versatile properties.
Target Users
Fabricators, machine shops, and structural engineers rely on 6061-T6 Aluminum Square Bar for its combination of strength, workability, and corrosion resistance in projects throughout the Los Angeles area.
Finish Options
This product comes standard with a T6 temper mill finish. For specific project requirements, 6061 aluminum can be anodized to improve surface hardness and corrosion resistance, powder-coated for color, or polished. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Square bar is measured by the length of one of its sides (A) and its overall length. As both sides are equal, only one cross-section measurement is needed. Use calipers for an accurate reading.
Example: To order this square bar, specify "6061 Aluminum Square Bar, 4" x 4" x 144" length".
Order Checklist
- Product name and required dimensions (4" x 4" 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 - 4" x 4"
- Material
- 6061-T6 Aluminum
- Standards
- ASTM B211
- Key Properties
- 45,000 PSI tensile, good machinability, excellent weldability
- Primary Applications
- Heavy structural frames, machine base plates, support columns
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 6061 Aluminum Square Bar in sizes from 1/4" to 6" and lengths up to 144". This 4" x 4" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing