



6061 Aluminum Round Bar is one of the most widely used heat-treatable aluminum alloys, offering an excellent balance of strength, corrosion resistance, and machinability. Its consistent mechanical properties and good weldability make it suitable for machining, structural fabrication, and engineering applications.
Its excellent combination of strength, versatility, and corrosion resistance ensures reliable performance across a wide range of industrial environments. The same alloy is also available in flat, square, and hex bar profiles to support a wider range of manufacturing and structural applications.
6061 aluminum round bar is one of the most versatile and widely specified heat-treatable aluminum alloys (6000 series). Renowned for its excellent strength-to-weight ratio, outstanding corrosion resistance, smooth surface finish, and superior machinability, 6061 bar stock performs brilliantly in precision CNC turning, milling, and heavy structural fabrication.
At XQJ Metal, we supply premium cold-drawn and extruded 6061 aluminum round bars strictly manufactured to meet international standards including ASTM B221 and EN 755. We offer high-precision sawing, custom cut-to-length services, centerless grinding, and surface anodizing options tailored to your engineering requirements.
| Parameter | Standard Value / Specification |
| Alloy & Temper | 6061 / T6, T651, T4, O |
| Diameter Range | 6mm – 500mm (0.25″ – 20.0″) |
| Length Range | 1000mm – 6000mm (Custom Saw Cutting Available) |
| Manufacturing Process | Extruded, Cold Drawn, Centerless Ground |
| International Standards | ASTM B221, EN 755, EN 573, ISO 6362, GB/T 3191 |
| Surface Processing | Mill Finish, Anodized, Polished, Polished Centerless Ground |
Q1: What is the difference between 6061-T6 and 6061-T651 round bar?
A: 6061-T651 undergoes stress-relieving through controlled stretching after solution heat treatment, minimizing internal stress distortion during high-speed CNC machining compared to standard T6 temper.
Q2: What is your Minimum Order Quantity (MOQ) for 6061 aluminum round bar?
A: Our standard MOQ is 500 kg per diameter. Smaller trial orders or sample cut pieces can be supplied for stocked sizes.
Q3: Can you provide custom cut-to-length saw cutting?
A: Yes, we utilize high-precision band saws to provide custom cut-to-length aluminum round bars with tight tolerances, saving you processing time and material waste.
If you require specific tempers, precision ground tolerances, or technical material datasheets, explore our full range of Aluminum Bar Products or Contact Our Technical Sales Team directly for a fast factory quotation.
Our materials support a wide range of construction and infrastructure projects
6061 aluminum round bar offers an excellent balance of strength, corrosion resistance, weldability, and machinability, while 7075 provides significantly higher strength but lower corrosion resistance and weldability. The appropriate alloy should be selected according to the application's performance requirements.
6061 aluminum round bar is widely used for CNC-machined components because it offers a good balance of machinability, mechanical strength, corrosion resistance, and dimensional stability after heat treatment.
The T6 temper indicates that the material has been solution heat treated and artificially aged to achieve higher strength and improved mechanical properties. The appropriate temper should be selected according to the machining process and service requirements.
It offers excellent resistance to seawater corrosion and maintains strength in humid and salt-rich conditions.
No. Strength is achieved through strain hardening rather than heat treatment.
Yes. It provides excellent weldability for structural fabrication.
Yes, it is commonly applied in tanks and pressure equipment.
Yes. It provides higher strength compared with most non-heat-treated aluminum alloys.
Yes. Thickness, width and temper can be adjusted based on project demand.
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