6061 Aluminum Plate
High-strength, heat-treatable 6061 aluminum plate, commonly supplied in T6 and T651 tempers. Features excellent machinability, weldability, and corrosion resistance. The most versatile structural aluminum alloy. ASTM B209 certified.
| Material | Aluminum-Magnesium-Silicon Alloy |
|---|---|
| Grade / Standard | 6061 |
| Thickness | 0.5mm - 350mm |
| Width | 500mm - 3000mm |
| Length | 1000mm - 12000mm or as coil |
| Delivery Condition | quenched_tempered / annealed |
| Surface Treatment | bare |
| MOQ | 3 Tons |
| Delivery Time | 15-30 Days |
| Loading Port | Tianjin / Shanghai / Qingdao |
Overview of 6061 Aluminum Plate
6061 aluminum plate is arguably the most versatile and widely used of the heat-treatable aluminum alloys. As a precipitation-hardened alloy with magnesium and silicon as its main alloying elements, it offers a fantastic combination of high strength, good corrosion resistance, excellent weldability, and great machinability. After heat treatment, particularly to the T6 temper, 6061 exhibits mechanical properties that make it suitable for a vast range of structural applications. Specified under standards like ASTM B209 and EN 573 (as EN AW-6061), this alloy is a true ‘workhorse’ structural material, relied upon in industries from aerospace to construction.
Key Features and Properties of 6061 Aluminum
6061 aluminum’s popularity stems from its well-balanced and desirable properties:
– **Heat-Treatable for High Strength:** Its strength is significantly increased through solution heat treatment and artificial aging, most commonly to the T6 temper, providing an excellent strength-to-weight ratio.
– **Excellent Machinability:** In the T6 temper, 6061 is one of the best aluminum alloys for machining, allowing for the creation of complex parts with good surface finishes.
– **Good Weldability:** It can be easily welded by all common techniques. However, it should be noted that welding reduces the strength in the heat-affected zone (HAZ), which may require post-weld heat treatment to recover full strength.
– **Good Corrosion Resistance:** It offers very good resistance to atmospheric corrosion, making it suitable for many outdoor and structural applications.
– **Excellent Finishing Characteristics:** 6061 provides a great surface for anodizing (including clear, color, and hardcoat), painting, and powder coating.
Main Applications of 6061 Aluminum Plate
Its versatility makes 6061 aluminum plate a go-to choice for countless structural and engineering applications:
– **Machinery & Equipment:** Extensively used for machine parts, jigs, fixtures, base plates, and structural framing due to its strength and machinability.
– **Aerospace & Defense:** Used for aircraft and aerospace structural components, including wing and fuselage fittings, where a good strength-to-weight ratio is required.
– **Automotive & Transportation:** Used for high-performance automotive chassis parts, suspension components, truck frames, and bodies.
– **Construction & Architecture:** Employed in structural framing, bridge railings, platforms, and architectural applications requiring strong, lightweight material.
– **Marine Applications:** Used for boat fittings, gangways, and other non-submerged structural marine components.
– **Recreational Products:** A popular choice for bicycle frames, scuba tanks, and fishing reels.
Why Choose Us for 6061 Aluminum Plate
Shandong Tanglu Metal Material Co., Ltd. is a leading supplier of prime 6061 aluminum plate, specializing in the T6 and T651 tempers. Our material is sourced from globally recognized mills and is fully certified to international standards like ASTM B209. Every shipment is accompanied by a full Mill Test Certificate (MTC), ensuring complete traceability and verification of its chemical and mechanical properties. We offer precision plate sawing, CNC routing, and waterjet cutting to provide custom-sized parts ready for your manufacturing process. With robust export packaging and logistics, we ensure your high-quality 6061 aluminum arrives safely and on schedule.
📐 Dimension & Size Table
| Temper | Thickness (mm) | Width (mm) | Length (mm) |
|---|---|---|---|
| T6 / T651 | 3.0 - 350 | 1000-3000 | 1000-12000 |
| O (Annealed) | 0.5 - 350 | 1000-3000 | 1000-12000 |
* Custom sizes available upon request. Tolerances per relevant international standards.
🔬 Chemical Composition
| Element | Min | Max | Display Value | Note |
|---|---|---|---|---|
| Al | Balance | |||
| Mg | 0.8 | 1.2 | 0.8 - 1.2 | Primary alloying element |
| Si | 0.40 | 0.8 | 0.40 - 0.8 | Primary alloying element |
| Cu | 0.15 | 0.40 | 0.15 - 0.40 | |
| Cr | 0.04 | 0.35 | 0.04 - 0.35 | |
| Fe | 0.7 | ≤0.7 | ||
| Zn | 0.25 | ≤0.25 |
* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.
⚙️ Mechanical Properties
| Property | Value | Unit | Test Condition |
|---|---|---|---|
| Tensile Strength (T6 / T651) | ≥290 | MPa | Solution Heat Treated & Artificially Aged |
| Yield Strength (T6 / T651) | ≥240 | MPa | Solution Heat Treated & Artificially Aged |
| Elongation (T6 / T651) | ≥10 | % | for 6.3mm thickness |
| Hardness (T6 / T651) | ≈95 | HBW | Brinell Hardness |
| Tensile Strength (O Temper) | ≤150 | MPa | Annealed / Soft condition |
| Yield Strength (O Temper) | ≤83 | MPa | Annealed / Soft condition |
* Values shown are minimum requirements unless otherwise stated.
📦 Commercial Information
| Packaging | Heavy-duty export packing for plates. Stacked on robust wooden pallets or skids, interleaved with paper or plastic to protect surfaces, wrapped in waterproof materials, and securely strapped with steel bands. |
|---|---|
| Payment Terms | T/T (Telegraphic Transfer),L/C (Letter of Credit),D/P (Documents against Payment) |
| Price Term | FOB,CFR,CIF,EXW |
| Supply Capacity | 15,000 Tons/Month |
| Loading Port | Tianjin / Shanghai / Qingdao |
Why Choose Our 6061 Aluminum Plate?
Heat-Treatable High Strength
Achieves high strength through heat treatment, typically to the T6 temper, providing an excellent strength-to-weight ratio for demanding structural applications.
Excellent Machinability
Renowned for its superior machinability in the T6 condition, making it the preferred choice for complex CNC-milled parts, jigs, and fixtures.
Good Weldability
Easily welded using common techniques, allowing for the fabrication of complex assemblies. The T651 temper is stress-relieved to minimize distortion after machining.
Versatile 'Workhorse' Alloy
Offers the best all-around combination of strength, corrosion resistance, machinability, and weldability among heat-treatable alloys, making it suitable for countless applications.
Great Finishing Characteristics
Provides an excellent substrate for a wide variety of finishes, including clear and colored anodizing, hard-coating, painting, and powder coating.
🏭 Applications of 6061 Aluminum Plate
6061 aluminum plate is the ultimate general-purpose structural alloy. Its high strength and excellent machinability make it the first choice for manufacturing precision machine parts, base plates, jigs, and fixtures. In the transportation and aerospace industries, it is used for structural frames, chassis components, and aircraft fittings where a high strength-to-weight ratio is crucial. Its good corrosion resistance and strength are utilized in construction for architectural framing, bridge railings, and platforms. From high-performance bicycle frames and scuba tanks to complex robotics components and semiconductor manufacturing equipment, 6061-T6 provides the reliable, lightweight, and strong material solution that engineers demand.
📋 Quality & Certification
Our Certifications
- ✅ ISO 9001:2015
- ✅ CE Marking
- ✅ SGS Certified
Mill Certificate Type
- 📋 EN 10204 3.1
- 📋 Original Mill Certificate
- 📋 Certificate of Origin
❓ Frequently Asked Questions
What is 6061 aluminum?
6061 is a precipitation-hardened aluminum alloy containing magnesium and silicon as its major alloying elements. It is the most common and versatile heat-treatable aluminum alloy, known for its high strength, good machinability, weldability, and corrosion resistance.
What does the T6 temper mean for 6061 aluminum?
'T6' is the most common temper for 6061. It means the material has been solution heat-treated and then artificially aged (precipitation hardened) to achieve its maximum strength. 6061-T6 offers an excellent combination of strength and workability.
What is the difference between 6061-T6 and 6061-T651?
6061-T651 is T6 plate that has also been stress-relieved by controlled stretching after heat treatment. This process reduces internal stresses, making T651 the preferred choice for parts that will be heavily machined, as it is less likely to warp or distort during material removal.
Is 6061 aluminum good for welding?
Yes, 6061 has good weldability. However, the heat from welding will anneal the material in the heat-affected zone (HAZ), reducing its strength to near that of the 'O' temper. To restore full strength to the welded area, a post-weld heat treatment (re-solution treating and aging) is required.
Which is stronger, 6061 or 5052 aluminum?
In its most common temper, 6061-T6 is significantly stronger than any temper of 5052. However, 5052 offers superior corrosion resistance in saltwater environments and better formability than 6061-T6.
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6061 Aluminum Plate
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