6061 Aluminum Flat Bars - 1-1/4 Inch X 4 Inch
6061 Aluminum Flat Bars - 1-1/4 Inch X 4 Inch
This 1-1/4" x 4" 6061-T6 Aluminum Flat Bar offers an excellent strength-to-weight ratio for structural applications. Certified to ASTM B211, it provides 45,000 PSI tensile strength, good workability, and corrosion resistance, making it ideal for base plates and machined components. In stock Los Angeles.
- 6061-T6 Aluminum Construction
- ASTM B211 Certified
- 45,000 PSI Tensile Strength
- Excellent Machinability & Weldability
6061-T6 aluminum is a precipitation-hardened alloy with magnesium and silicon as its primary alloying elements. This heat-treatable grade, conforming to ASTM B211, provides a versatile combination of high strength, good corrosion resistance, and excellent weldability. The T6 temper indicates it has been solution heat-treated and artificially aged to achieve its optimal strength properties, making it a standard for general-purpose structural fabrication.
As a large format bar, this 1-1/4" x 4" size is exceptionally suited for applications requiring rigidity and a substantial mounting surface. Common uses include heavy equipment base plates, structural support members, tooling jigs, and large custom-machined parts where strength and dimensional stability are critical.
Specifications
- Material: 6061-T6 Aluminum
- Standards: ASTM B211
- Strength/Tensile: 45,000 PSI
- Dimensions: 1-1/4" Thickness x 4" Width x 144" Length
- Finish: T6 Temper (Mill Finish)
- Certifications: MTR Available
Applications
- Structural Framing: Support members for heavy machinery - high strength-to-weight ratio and large cross-section provide stability.
- Tool & Die: Jigs, fixtures, and die components - good machinability and dimensional stability for precision tooling.
- Base Plates: Mounting plates for industrial equipment - flat, stable surface distributes load effectively.
- Transportation: Frame components for trailers and truck beds - combines light weight with robust structural integrity.
Target Users
Machinists, structural fabricators, and engineers rely on 6061-T6 flat bar for its versatile performance in structural applications throughout the Los Angeles area.
Finish Options
This product comes standard with a mill finish in the T6 temper condition. 6061 aluminum provides an excellent base for secondary finishing, including anodizing for enhanced corrosion resistance and color, or powder coating. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Flat bar is measured by its Thickness (A) and Width (B). Use calipers for an accurate measurement of the rectangular cross-section.
Example: To order this flat bar, specify "6061 Aluminum Flat Bar, 1-1/4 inch thick by 4 inch wide".
Order Checklist
- Product name and required dimensions (1-1/4" x 4")
- 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 Flat Bars - 1-1/4 Inch X 4 Inch
- Material
- 6061-T6 Aluminum
- Standards
- ASTM B211
- Key Properties
- 45,000 PSI tensile, Excellent Machinability, Excellent Weldability
- Primary Applications
- Base plates, structural framing, machined components
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 6061 Aluminum Flat Bar in thicknesses from 1/8" to 2" and widths from 1/2" to 6". This 1-1/4" x 4" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing