Forged wheel production
The advantages of producing forged wheels lie in their high mechanical properties, high precision and good appearance. At the same time, they have high material utilization, strong customizability and short production cycle, which can quickly respond to market demand and reduce costs. These advantages make forged wheels an ideal choice in the automotive industry, especially for high-performance and luxury vehicles.Quick Quote
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.
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.
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.
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.
Chalco Aluminum forging product type
Our factory has special planing, cutting, heat treatment, straightening, machining and testing equipment to ensure consistent high quality and fast turnover of forged bar products. Our bar forging products are used in a variety of applications, such as aerospace, defense, infrastructure, mining, nuclear energy, oil and gas, heavy industrial equipment and power generation.
-
Forging blockOur custom forged block, not only allow for a near-net shape, but they also have inherent advantages achieved through the forging process.
High Strength Precision Shapes Improved Material Properties -
Forged bar productsOur factory has special planing, cutting, heat treatment, straightening, machining and testing equipment to ensure consistent high quality and fast turnover of forged bar products.
High Strength Good processability Good mechanical properties -
Forged aluminum pipeForged aluminum tubes can not only be produced into straight cylindrical shape, but also have an infinitely variable outer diameter and inner diameter. We also provide various wall thicknesses and configurations to meet customer requirements.
High Strength Corrosion resistance Exact dimensions -
Forged aluminum ringWhen purchasing hubs and spindles, product integrity is critical often making or breaking a part in the field. Machined castings or hot-rolled machined bars tend to have poor structural integrity or inclusions that lead to problems with cracking and part failure.
High Strength High precision Good internal quality -
Hub and tool forgingsWhen purchasing hubs and spindles, product integrity is critical. Machined castings or hot rolled bars often have poor structural integrity or inclusions, leading to cracking and part failure.
High Strength Lightweight Good heat dissipation -
Forged step shafts, crankshafts and rotor shaftsOur years of custom forging expertise allow us to manufacture custom forged crankshafts to meet the most exacting specifications. At Chalco, we produce guaranteed sound-centered forged step shafts, crankshafts and rotor shafts with any combination of round, square, rectangle or polygonal dimensions, concentric or eccentric configurations and tapers or custom shapes.
High strength and stiffness good mechanical properties High reliability