6061 aluminum alloy plate is one of the most versatile and widely used structural alloys in the world. As a heat-treatable alloy from the 6000 series (alloyed with magnesium and silicon), it offers an exceptional combination of high strength, excellent machinability, great weldability, and superior corrosion resistance.
For engineers, fabricators, and procurement managers, 6061 aluminum plate and sheet-especially in the T6 and T651 tempers-is the go-to material for projects that demand robust performance without the weight of steel.
Key Features and Benefits of GNEE's 6061-T6 flat aluminum plate
When you buy 6061 aluminum plate from GNEE, you are investing in a material with proven performance advantages:
- High Strength-to-Weight Ratio: With a typical yield strength of over 275 MPa (40,000 psi), 6061-T6 plain aluminum sheet is nearly as strong as mild steel but at only one-third of the weight. This allows you to design lighter, more fuel-efficient vehicles and easier-to-handle structures.
- Excellent Machinability: Unlike softer aluminum alloys that can be "gummy," 6061-T6 aluminum plate metal is ideal for high-speed CNC machining. It produces clean, easily broken chips, resulting in faster production cycles and excellent surface finishes on milled parts.
- Great Weldability: 6061 aluminum sheet metal is easily welded using TIG or MIG methods. This makes it perfect for fabricating complex structures, tanks, and frames. (Note: The T6 strength is reduced in the heat-affected weld zone).
- Superior Corrosion Resistance: The 6061 T6 aluminum plate metal naturally forms a protective oxide layer, making it highly resistant to atmospheric and saltwater corrosion, even when the surface is scratched.
6061-T6 vs. 6061-T651 Temper: What's the Difference for Machinists?
Understanding the temper is critical for high-precision projects.
6061-T6 aluminum sheet metal: This is the standard heat-treated and artificially aged temper. It offers excellent strength and is suitable for most general applications.
6061-T651 aluminum plain sheet: This temper undergoes an additional stress-relieving process (stretching). For fabricators doing heavy CNC milling, T651 is the superior choice. The stress relief significantly reduces the risk of the plate warping or deforming after large amounts of material have been machined away. If you are making mold bases, tooling plates, or precision jigs, always specify 6061-T651 aluminum plain sheet.
6061-T6 aluminum Chemical Composition (wt%)
The chemical composition of the alloy is as follows:
| Element | Content (%) |
|---|---|
| Si | 0.4 – 0.8 |
| Fe | ≤ 0.7 |
| Cu | 0.15 – 0.4 |
| Mg | 0.8 – 1.2 |
| Mn | ≤ 0.15 |
| Cr | 0.04 – 0.35 |
| Zn | ≤ 0.25 |
| Ti | ≤ 0.15 |
| Others | ≤ 0.15 |
| Al | Balance |
6061-T6 aluminum Typical Mechanical Properties (Minimum Values)
The following mechanical properties are based on standard temper conditions and thickness ranges:
| Temper | Thickness (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| T6 | 0.4 – 6.0 | ≥ 290 | ≥ 240 | ≥ 10 |
| T651 | 6.0 – 25.0 | ≥ 290 | ≥ 240 | ≥ 8 |
| T651 | 25.0 – 50.0 | ≥ 290 | ≥ 240 | ≥ 7 |
| T651 | 50.0 – 150.0 | ≥ 290 | ≥ 240 | ≥ 5 |
Basic Information Of 6061-T6 Aluminum Plate/Sheet
The following are the product specifications of the 6061-T6 Aluminum plate/sheet. If you need more information, please contact us.
| Production | 6061-T6 Aluminum Plate/Sheet |
| Thickness | 0.2-300mm, or customize |
| Width | 10-2,600 mm, or customize |
| Length | 100 - 160,00mm, or customize |
| Temper | T6 |
| Surface | Bright, polished, hairline, brush, sandblast, checkered, embossed, etching, etc. |
| Coating | PVC Coated, Color Coated, Polyester, Fluorocarbon, polyurethane and epoxy coating |
| Finish | Mill, Customer-Specific Finish |
| Payment | T/T, L/C, etc. |
Common Applications for 6061 Aluminum Plate
Thanks to its balanced properties, 6061 is specified across countless industries:
- Aerospace & Automotive: Aircraft structural components, automotive chassis parts, suspension arms, and custom brackets.
- Marine Industry: Hulls for small boats and yachts, gangways, and marine hardware.
- Precision Tooling & Molds: Base plates for injection molds, CNC router beds, jigs, and fixtures.
- Structural & Architectural: Heavy-duty scaffolding, bridge components, architectural panels, and support framing.
- Industrial Equipment: Robotic arms, hydraulic manifolds, and heat exchangers.
Why Source Your 6061 Aluminum Plate from GNEE?
As a direct manufacturer and experienced global exporter, GNEE provides more than just metal. We provide reliability.
- Precision Cutting & Processing: Our facility is equipped with advanced CNC plate saws that deliver clean, burr-free cuts with tight dimensional tolerances (+/- 1mm or better).
- Guaranteed Quality & Testing: Every batch of 6061 aluminum plate comes with a full Mill Test Certificate (MTC) detailing its chemical analysis and mechanical properties. We also welcome third-party inspections from SGS, BV, or your chosen agency before shipment. For thick plates, we conduct ultrasonic testing (UT) to ensure there are no internal defects.
- Robust Export Packaging: We understand the risks of ocean freight. To prevent moisture damage (white rust) and scratches, we use a proven packaging method: plates are interleaved with paper, wrapped in waterproof plastic film, securely strapped to strong, fumigated wooden pallets, and protected with edge guards. Your material arrives in perfect condition, every time.
Frequently Asked Questions (FAQ)
Get Your Custom Quote for 6061-T6/T651 Aluminum Plate Today!
Don't base your project budget on outdated price lists. Get a firm, competitive offer from a reliable supplier. Whether you need full-size plates or custom-cut blocks, GNEE is ready to help.
Click Here to Request a Fast Quote and receive a detailed price based on today's LME rates.
Ask our sales team to include a free sample of our Mill Test Certificate (MTC) with your quote so you can see our quality commitment firsthand!
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