6063 Polished Aluminum Alloy Plate Sheet
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6063 Polished Aluminum Alloy Plate Sheet Description
High-Precision 6063 Aluminium Plate | Superior Surface for Anodizing
Certified ASTM B209 6063-T5 / T6 Aluminum Sheet-The Standard for Architectural & Decorative Excellence
GNEE Aluminum is a premier global manufacturer specializing in 6063 Aluminium Plate, renowned for its smooth surface finish and exceptional response to anodizing and powder coating. While 6061 is chosen for heavy structures, our 6063 aluminum sheets are engineered for applications where aesthetics, corrosion resistance, and intricate formability are paramount. We offer precision-milled 6063 plates in T5, T6, and T651 tempers, tailored for high-end architectural and industrial designs.
Core Advantages of GNEE 6063 Aluminium Alloy
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Premium Anodizing Response
Our 6063 aluminium plate is the "gold standard" for anodizing. It produces a clear, bright, and uniform oxide coating, making it ideal for high-visibility architectural components and consumer electronics.
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Excellent Corrosion Resistance
With a balanced magnesium and silicon content, 6063 offers superior resistance to atmospheric corrosion and many chemical agents, even in harsh coastal or industrial environments.
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Highly Formable & Weldable
Unlike higher-strength alloys that can be brittle, 6063-T5/T6 sheets offer excellent ductility. They can be easily bent or formed into complex shapes and welded using standard TIG/MIG methods without losing significant structural integrity.
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Precision Flatness & Dimensional Stability
GNEE utilizes advanced leveling and stress-relieving technologies to ensure our 6063-T651 plates remain perfectly flat during high-speed CNC machining, significantly reducing scrap rates for our clients.
Key Applications for 6063 Aluminium Sheet
- Architecture & Design: Curtain walls, modern facades, decorative ceilings, and window frames.
- Heat Dissipation: Precision heat sinks for LED lighting and high-power electronics.
- Precision Machinery: Jigs, fixtures, and base plates requiring high surface quality.
- Transportation: Interior trims for high-speed rail, automotive components, and marine hardware.
- Electronics: Tablet and smartphone frames and high-end audio equipment enclosures.
6063 Aluminium Plate Technical Specifications
Our 6063 aluminum products are manufactured under strict grain-size control to ensure uniform color and texture after surface treatment.
| Technical Parameter | Details / Value |
| Material Grade | 6063 (Al-Mg-Si Alloy) |
| Available Tempers | T5, T6, T651 (Stress Relieved), O |
| Standard Compliance | ASTM B209, EN 485, JIS H4000, GB/T 3880 |
| Thickness Range | 0.5 mm – 200mm (0.02" – 8") |
| Surface Options | Mill Finish, Fine Milled, Brushed, Anodized |
| Surface Protection | Double-sided Blue Laser Film or PE Protective Film |
| Hardness (T6) | ≥ 73 HB (Brinell) |
| Machinability | Excellent for CNC Milling, Bending, and Welding |
6063 aluminum sheet exhibits outstanding hardness and machinability, a smooth and blemish-free surface, high thermal plasticity, excellent anodizing properties, strong corrosion resistance, and exceptional welding performance.
Request Your 6063 Aluminium Plate Quote Today
Our technical team is ready to provide material recommendations and real-time LME-based pricing. Get a free sample to verify GNEE's superior surface quality.

about us
Why GNEE Aluminum is Your Global Partner
GNEE (GNEE Aluminum Group) is a world-class manufacturer with over 18 years of expertise in the 6000-series alloy sector.
Massive Production Scale: We operate a state-of-the-art facility with an annual output of 200,000 tons, utilizing advanced 1+4 hot tandem rolling lines.
Strict Quality Control: GNEE is ISO 9001, TUV, and SGS certified. Every batch of 6063 aluminium plate is supplied with a comprehensive Mill Test Certificate (MTC).
Global Export Excellence: We have successfully shipped to over 100 countries, maintaining deep partnerships with top-tier construction and engineering firms worldwide.
One-Stop Fabrication: From precision saw-cutting (tolerance ±0.1mm) to custom anodizing and CNC processing, we deliver "ready-to-use" components.


Export Packaging & Global Delivery: Zero-Surface-Defect Policy
For 6063 aluminum, surface integrity is everything. GNEE uses an enhanced packaging protocol:
- Protective Layering: 100μm Blue Laser Film or neutral paper interleaving to prevent any scratches during handling.
- Moisture Protection: Multi-layer waterproof kraft paper and heavy-duty plastic film wrapping.
- Reinforced Crating: ISPM-15 certified fumigated wooden pallets with reinforced steel strapping and corner protectors.
- Rapid Dispatch: Standard sizes (4x8, 5x10) are ready for shipment within 3-7 days.

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