6061 Aluminum Sheet and Plate Characteristics
6061 aluminum sheets and plates are widely recognized for their balanced performance and versatility across industrial sectors. As a heat-treatable aluminum alloy, 6061 offers an excellent combination of strength, workability, and corrosion resistance. These characteristics make it a preferred material for both structural and precision applications.
Key features of 6061 aluminum sheet and plate include good weldability, reliable machinability, resistance to stress cracking, and strong corrosion resistance in a wide range of environments. At GNEE, 6061 aluminum products are supplied to meet demanding fabrication and performance requirements.
6061 Aluminum Sheet Tempers Overview
6061 aluminum sheets are available in multiple tempers, each designed to suit different forming, strength, and cost considerations. The most commonly used tempers are 6061-T4, 6061-T6, and 6061-T651.
6061-T4 Aluminum Sheet Properties
6061-T4 aluminum sheet is solution heat-treated and naturally aged. Compared with T6, this temper offers slightly lower dimensional tolerance but provides higher elongation, which significantly improves formability.
Because 6061-T4 does not undergo artificial aging, it is generally more cost-effective than T6 while remaining easy to form and fabricate. This makes it an excellent choice for applications where shaping and flexibility are more critical than maximum strength.
6061-T6 Aluminum Sheet Properties
6061-T6 aluminum sheet is solution heat-treated and artificially aged, resulting in higher tensile and yield strength than the T4 temper. This temper delivers a strong balance between mechanical performance and surface quality.
6061-T6 aluminum sheet offers good finishing characteristics, can be welded or mechanically joined, and responds well to anodizing for enhanced corrosion protection and appearance. It is widely used where moderate to high strength is required without sacrificing versatility.
6061-T651 Aluminum Plate Properties
6061-T651 aluminum plate is artificially aged and stress relieved through controlled stretching. This additional processing minimizes internal stresses, improving dimensional stability during machining.
The T651 temper is especially suitable for thick plates and precision-machined components where flatness, stability, and strength are critical.
| Property | 6061 Aluminum Sheet | Unit |
|---|---|---|
| Alloy Series | 6000 Series (Al-Mg-Si) | |
| Temper Options | T4, T5, T6, T651 | |
| Density | 2.70 | g/cm³ |
| Tensile Strength | 260–310 | MPa |
| Yield Strength | 240–276 | MPa |
| Elongation | 8–12% | % |
| Brinell Hardness | 95 | HB |
| Corrosion Resistance | Excellent | |
| Formability | Good | |
| Weldability | Excellent | |
| Anodizing Suitability | Good | |
| Common Thickness Range | 0.5 – 150 | mm |
| Standard Sheet Sizes | 1000×2000, 1220×2440, 1500×3000 | mm |
| Typical Applications | Structural doors, security doors, industrial enclosures |
6061-T4 Aluminum Sheet Applications
6061-T4 aluminum sheet is commonly used in applications that benefit from enhanced formability, including:
Aircraft panels
Automotive body panels
Trailer frames
Packaging components
General industrial fabrications
6061-T6 Aluminum Sheet Applications
Typical uses of 6061-T6 aluminum sheet include applications requiring higher strength and reliable finishing performance, such as:
Medical assemblies
Heat sinks
Hydraulic tubing
Air cooling systems
Aircraft fittings
Electrical fittings
6061-T651 Aluminum Plate Applications
6061-T651 aluminum plate is widely used in structural and load-bearing applications, including:
Aircraft and aerospace components
Heavy machinery parts
Ramps and stair systems
Base plates
Large structural assemblies

6061 Aluminum Sheet and Plate for Tooling Applications
6061 aluminum is a high-quality alloy with excellent thermal conductivity, offering approximately five times the thermal conductivity of steel while weighing only one-third as much. It is available in hot-rolled, heat-treated, and stress-relieved conditions, making it ideal for tooling applications.
The stable property profile of 6061 aluminum sheet and plate makes it particularly suitable for prototype tooling and short-run production, where dimensional accuracy and machinability are essential.
6061 Aluminum Product Features
Key advantages of 6061 aluminum sheet and plate supplied by GNEE include:
Easy and efficient machinability
Lightweight structure with high strength-to-weight ratio
Excellent thermal conductivity
Good dimensional stability during machining
Readily weldable when proper procedures are followed
6061 Aluminum Tooling and General Applications
6061 aluminum sheet and plate are widely used for:
General industrial applications
Plastics tooling
Prototype tooling
Short-run production tools
GNEE 6061 Aluminum Sheet and Plate Solutions
As a trusted aluminum supplier, GNEE provides premium 6061 aluminum sheet and plate in multiple tempers to support aerospace, automotive, tooling, and industrial manufacturing needs. Our products combine consistent quality, excellent performance, and compliance with international standards, ensuring reliable results across diverse applications.









