Aluminum Round Bars for CNC Machining
Premium aluminum bar stock with full material traceability certificates (MTC). ready for global supply, supporting aerospace, automotive, and precision manufacturing industries.

Technical Parameter Summary
Key specifications for our aluminum round bar stock
Diameter Range
Standard stock sizes available
Tolerance
Precision diameter control
Straightness
Per ASTM B211 standard
Precision Cut-to-Size Service
Our advanced sawing equipment delivers precision cuts to your exact specifications, eliminating waste and reducing your machining time. Professional deburring and end finishing ensure parts are ready for immediate use.
Cutting Tolerance: ±0.5mm
CNC-controlled sawing for consistent accuracy
Length Range: 50mm - 6000mm
Flexible sizing for any application
Same-Day Processing
Quick turnaround for urgent requirements

State-of-the-Art Sawing Line
Automated feeding and precision cutting for consistent results
Available Grade Comparison Table
Detailed comparison of our most popular aluminum grades: 2011, 6061, and 7075. Choose the optimal grade for your specific application requirements.
| Property | 2011-T3 | 6061-T6 | 7075-T6 |
|---|---|---|---|
| Standards | ASTM B211, GB/T 3191 | ASTM B211, GB/T 3191 | ASTM B211, GB/T 3191 |
| Primary Alloying Elements | Cu 5.5%, Bi 0.5%, Pb 0.5% | Mg 1.0%, Si 0.6% | Zn 5.6%, Mg 2.5%, Cu 1.6% |
| Tensile Strength (MPa) | 380 | 310 | 572 |
| Yield Strength (MPa) | 295 | 276 | 503 |
| Elongation (%) | 15 | 12 | 11 |
| Machinability Rating | Excellent (A+) | Good (B+) | Fair (C+) |
| Corrosion Resistance | Poor | Excellent | Fair |
| Weldability | Poor | Excellent | Poor |
| Typical Applications | Screw machine parts, fittings, connectors | General machining, marine, automotive | Aerospace, high-stress components |
| Best For | High-speed machining, complex parts | Versatile applications, welding | Maximum strength requirements |
Choose 2011
- • Maximum machinability required
- • High-speed production runs
- • Complex geometries
- • Screw machine applications
- • Cost-effective machining
Choose 6061
- • General purpose applications
- • Welding required
- • Corrosion resistance needed
- • Structural components
- • Most versatile option
Choose 7075
- • Maximum strength required
- • Aerospace applications
- • High-stress environments
- • Fatigue resistance critical
- • Premium performance
Aluminum Bar Specifications
Complete technical specifications for our aluminum bar stock, including mechanical properties, chemical composition, and compliance standards.
Available Dimensions
Round Bar Diameters:
5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 120mm, 150mm, 200mm, 250mm, 300mm
Standard Lengths:
3 meters, 6 meters (custom lengths available)
Surface Finish:
Mill finish, machined, polished (Ra 0.8-3.2μm)
Value-Added Services
Related Aluminum Products
Aluminum Square Bars
Precision-extruded square bars available in 6061, 6063, and 7075 alloys. Ideal for structural applications, machine components, and custom fabrication projects.
- Sizes: 10mm - 200mm square
- Tolerance: ±0.5mm standard
- Surface: Mill finish or anodized
Aluminum Plates
High-quality flat-rolled aluminum plates in various grades. Perfect for tooling, mold making, aerospace components, and industrial equipment manufacturing.
- Thickness: 3mm - 300mm
- Alloys: 5052, 6061-T6, 7075-T6
- Custom cutting available
Custom Processing Services
Need precision machining, custom cutting, or surface treatment? We offer comprehensive CNC processing, anodizing, and finishing services to transform raw materials into finished components. From prototype to production - all under one roof.
Frequently Asked Questions
Common questions about our aluminum bar products and services
What aluminum bar grades do you stock for immediate delivery?
Which grade should I choose for CNC machining applications?
Do you provide Material Test Certificates (MTC) with shipments?
What is your minimum order quantity (MOQ) for aluminum bars?
Can you cut bars to custom lengths with precision tolerances?
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