Automotive 6061 6082 Aluminum Wheel Hub Forging Supplier
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Automotive 6061 6082 Aluminum Wheel Hub Forging Supplier

Automotive aluminum wheel hub forging chemical element

Element Composition (%)
6061 6063 6082
Aluminum (Al) Remainder Remainder Remainder
Silicon (Si) 0.2-0.6 0.4-0.8 0.7-1.3
Magnesium (Mg) 0.45-0.9 0.8-1.2 0.6-1.2
Iron (Fe) 0.0-0.3 0.0-0.7 0.0-0.5
Copper (Cu) 0.0-0.1 0.15-0.4 0.0-0.1
Chromium (Cr) 0.0-0.1 0.04-0.35 0.0-0.25
Zinc (Zn) 0.0-0.1 0.0-0.25 0.0-0.25
Manganese (Mn) 0.0-0.1 0.0-0.15 0.4-1.0
Titanium (Ti) 0.0-0.08 0.0-0.15 0.0-0.1
Remainder (each) 0.05 0.05 0.05
Remainder (total) 0.15 0.15 0.15

Mechanical properties of automotive aluminum wheel hub forgings

Alloy Tensile strength / MPa Yield stress / MPa Elongation (%) Hardness HBW Eatigue strength / MPa
6063 240 215 12 73 70
6061 310 275 12 95 95
6082 340 290 10 80 120

Heat treatment process of 6061 aluminum wheel hub forgings

Solid solution soaking time

Thickness / mm Keep warm time / min
Hot tub Air furnace
>30-50 60-120 120-150
>50-75 75-160 150-210
>75-100 90-180 180-240
>100-120 105-240 210-360
Specific processes will be adjusted according to the size, dimensions, or specific requirements of the components, as well as customer specifications.

Aging heat treatment

Alloy State before time Product type Clock temperature / ℃ Time / h After-hours condition
6061 W model and free room temperature ≥96 T4
T model and free 171-182 8 T61
Specific processes will be adjusted according to the size, dimensions, or specific requirements of the components, as well as customer specifications.

The static unbalance of automotive aluminum wheel hub forgings

Nominal diameter number (inch) Static imbalance · cm
Passenger car wheel hub commercial vehicle wheel hub
12 350 400
13 400 500
14 450 500
15 550 700
16 650 700
17 750 -
17.5 - 1100
18 900 -
19 1250 -
19.5 - 1250
20 1550 -
21 2000 -
22 2550 -
22.5 - 1500
24.5 - 2000

Impact performance of automotive aluminum wheel hub forgings

On passenger car wheels, there will be no visible cracks that penetrate the center part of the wheel, and there will be no separation between the center part and the rim. Furthermore, the tire pressure will not completely deflate within one minute.

Appearance quality of automotive aluminum wheel hub forgings

The wheel surface is smooth and even, without any burrs, sharp edges, or insufficient filling.

The paint coating has no bubbles, runs, orange peel texture, exposed base, or scratches.

There are no paint drips on the mounting surface, center hole, and nut seat surface of the wheel.

The markings on the wheel are intact and clear.

Appearance quality of automotive aluminum wheel hub forgings

Why choose Chalco Aluminum

Global collaboration and honors

Chalco is a supplier to numerous automotive companies, including BYD, Geely, Chery, Great Wall, Changan, Dongfeng in China; Mercedes-Benz, BMW, Volkswagen, Audi in Germany; Renault in France; Tesla, General Motors, Ford, Chrysler in the USA; Honda, Toyota in Japan, and more.

Global collaboration and honors

Through a series of international standards and certifications, including ISO/TS16949, ISO14001, ISO-9001, IATF 16949, VDA 6.1, JIS D 5301, we have gained recognition and honors from numerous international companies.

Choosing Chalco, you will gain a professional and reliable partner to meet your high-quality aluminum wheel hub forging needs.

Excellence in craftsmanship and independent design capability

We utilize forging and spin-forming plastic forming processes to manufacture aluminum wheel hub forgings.

We possess independent design capabilities and can also provide customized designs according to customer requirements, ensuring efficient and precise production. For inquiries regarding mold costs, please contact us for detailed information.

Stringent quality inspections

Conducting wheel visual inspection, dimension parameter inspection, air tightness test, dynamic bending fatigue test, dynamic radial fatigue test, impact test, and dynamic balancing test to ensure the high quality and reliability of the forged aluminum wheel hubs.

Advanced technology and automated production lines

Chalco possesses advanced aluminum alloy wheel forging and spinning technology, equipped with automated production line equipment, enabling unmanned or minimal human involvement in the production process, thus enhancing efficiency.

Optimized design and energy-saving weight reduction

Chalco's mature forging CAD/CAM/CAE system excels in optimizing automotive industry design and process, achieving weight reduction in components, improving production efficiency, and reducing energy consumption.

Our forged aluminum alloy wheel hubs offer advantages such as high strength, excellent stability, corrosion resistance, precise dimensions, and reduced material usage.

Why choose Chalco Aluminum

Differences between 6061, 6063, and 6082 aluminum wheel hub forgings

6061 aluminum wheel hub forging

6061 aluminum alloy is a typical heat-treatable strengthening aluminum alloy, known for its moderate strength, good workability, corrosion resistance, and machinability.

During the hot forging process, grain refinement and the generation of new grains significantly improve the material's strength, toughness, processability, and corrosion resistance while homogenizing its microstructure.

6063 aluminum wheel hub forging

6063 aluminum alloy exhibits excellent formability and anodizing properties. Due to its lower Mg2Si content, it is suitable for air cooling quenching.

Compared to 6061 alloy, its processing properties are similar, but it has higher strength mainly due to higher magnesium and silicon content, as well as the addition of copper and chromium.

Additionally, a small amount of titanium is added to reduce the likelihood of cracking and to enhance the recrystallization temperature, thus improving the performance of the forgings.

6082 aluminum wheel hub forging

6082 alloy offers excellent extrusion and forging properties. It boasts superior formability, corrosion resistance, weldability, and machinability.

Compared to 6061 alloy, 6082 alloy exhibits slightly higher quenching sensitivity due to its higher manganese content, resulting in less recrystallization in deformed alloy products.

It possesses a fibrous deformation microstructure that is fine, dense, and highly anisotropic, with increased deformation resistance, requiring higher heating temperatures during forging.

Differences between 6061, 6063, and 6082 aluminum wheel hub forgings

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