6061 Aluminum Plate: Heat-Treatable Alloy for CNC Machining & Structural Fabrication
Sample: A4 Sized
Payment Terms: L/C,D/P,T/T
Delivery time: Within 15-30 Days
Email Us:sale06@mingtai-al.com
6061 aluminum plate is one of the most widely used heat-treatable aluminum alloys in the 6xxx series. As an aluminum-magnesium-silicon alloy, it strikes a balanced combination of mechanical strength, machinability, weldability, anodizing performance and corrosion resistance.
Among all tempers, 6061-T6 is the market standard, preferred by CNC shops, mechanical fabricators, automation manufacturers and engineering procurement teams globally. If you need rigid, dimensionally stable plate material for precision parts or structural assemblies, 6061 aluminum plate is a reliable and cost-effective choice.
Technical Specifications – Mingtai 6061 aluminum plate
| Item | Specification |
|---|---|
| Alloy Grade | 6061 (Al-Mg-Si) |
| Standard Tempers | T6, T651, T4, O |
| Density | 2.70 g/cm³ |
| Typical Tensile Strength (T6) | 290 MPa |
| Typical Yield Strength (T6) | 240 MPa |
| Elongation (T6) | 12% |
| Hardness (T6) | 95 HB |
| Heat Treatable | Yes, solution heat treatment + artificial aging |
| Surface Finish | Mill finish, brushed, polished |
| Available Thickness | 3mm, 6.35mm, 10mm, 12.7mm, 20mm, custom thickness |
| Available Width & Length | Standard stock sizes, custom cut-to-size |
| Applicable Standards | ASTM B209, EN AW-6061 |
| Document | MTC available |
Main Advantages of 6061 Aluminum Plate
1. Heat-treatable strength
6061 gains notable strength after T6 aging treatment. It maintains rigidity under load, making it suitable for load-bearing machined components.
2. Outstanding CNC machining behavior
Consistent internal grain structure delivers stable cutting results. It works well for high-volume CNC machining, fixture plates, jigs and precision mechanical parts.
3. Flexible processing options
The plate can be cut, bent, welded, tapped, polished and anodized. Multiple surface finishes are available for different project needs.
4. Controlled flatness & tight tolerance
We supply stress-relieved 6061-T651 plate to minimize distortion during machining. Standard sizes and custom cut blanks are available.
5. Full documentation support
MTC are provided with each batch for quality traceability.
Typical Applications of 6061 Aluminum Plate
6061 aluminum plate covers a broad range of industrial sectors:
– CNC machined parts, fixture bases, jig plates and automation equipment frames.
– EV inverter housings, battery brackets and new energy structural accessories.
– Automotive and transportation support components.
– Tooling plates, mold back plates and machinery base plates.
– General structural frames, pipeline brackets and equipment housings.
– Marine non-saltwater critical fittings, architectural and framing parts.
6061-T6 vs 5052 Aluminum Plate
6061-T6: Heat-treatable, higher strength, better for CNC machining. Not ideal for heavy salt corrosion.
5052-H32: Non-heat-treatable, superior corrosion resistance and formability, better for bending, marine and trailer panels.
FAQ
Q1: What is the difference between 6061-T6 and 6061-T651?
A:T651 is stress-relieved by stretching after heat treatment. It has lower internal stress and less risk of warping after heavy CNC removal, which is the preferred choice for precision machining. T6 is the standard general temper.
Q2: Can 6061 aluminum plate be welded?
Yes, it can be welded by MIG/TIG. But the welded area will lose most of its T6 strength. Re-heat treatment after welding is required to recover strength.
Q3: Can you cut 6061 aluminum plate to custom sizes?
Yes. We offer cut-to-size service for all thicknesses. We can cut plates according to your drawing dimensions and ship finished blanks ready for machining.
Conclusion
6061 aluminum plate remains the “workhorse alloy” for precision machining and general structural fabrication. If your project requires balanced strength, easy CNC processing and anodizing capability, 6061-T6 / T651 is a solid selection.
Contact our team today to get the latest quotation, check stock, request samples or receive MTC for your project.
Phone: +86 17320140933
E-mail: sale06@mingtai-al.com
Website: https://www.mt-aluminum.com/






