6111 automobile body aluminum sheet is a commonly used aluminum alloy material, mainly composed of aluminum, magnesium, silicon, copper and other elements. It has good formability and strength and is suitable for the manufacture of automotive body panels, doors, hoods, trunk lids and other components.Welcome to contact
Why choose Chinalco 6111 T4 T6 auto body aluminum sheet?
Chalco excels in producing high-quality 6000 series aluminum sheets, including T4, T4P, T6, and T8X, specifically designed for automotive applications. Our advanced acid-alkali cleaning and passivation units ensure that our sheets meet the stringent requirements for auto body panels.
Chalco is certified to the IATF16949 standard by BSI, ensuring our products meet high automotive quality standards for expanding markets.
Our aluminum sheets are trusted by leading brands such as Tesla, Ford, Shanghai Automotive, Weilai, Beiqi New Energy, and Changan, with certifications for various automotive models.Quick Quote
Specs of 6111 T4 T6 auto body aluminum sheet
| Alloy | 6111 |
| Temper | T4, T6 |
| Surface Treatment | MF (Mill Finish), EDT (Electric Discharge Texturing), Ti/Zr Treatment |
| Oil Treatment | NP (No Protection), P (Protection), DO (Dry Oil), EO (Electrostatic Oil) |
| ABS sheet dimension | Thickness: 0.5-4.0mm |
| Width: 00-2400mm | |
| Length: 2000-6000mm | |
| ABS coil dimension | Thickness: 0.70-1.50mm |
| Width 800-2400mm | |
| Standard | GB/T 33227-2016, JIS H4000, ASTM B209, EN 485 |
Features of 6111 T4 T6 auto body aluminum sheet
Good formability: 6111 aluminum alloy has high plasticity and formability, can be processed and formed by various processes, and is suitable for the manufacture of various complex automobile body parts.
Good welding performance: 6111 aluminum alloy has good welding performance, and can be welded by various welding processes, such as MIG welding, TIG welding and resistance welding, and it is not easy to crack and deform after welding.
High strength and light weight: compared with traditional steel, 6111 aluminum alloy has higher strength and better corrosion resistance, and at the same time is lighter in weight, which is conducive to the lightweight design of automobiles.
Green and environmental protection: 6111 aluminum alloy is a recyclable material, which is conducive to the environmental protection and sustainable development of the automobile industry.
Three Key Factors to Consider When Selecting Automotive Aluminum Sheets
As a leading supplier of automotive aluminum sheets, Chalco understands that making the right choices when selecting aluminum sheets is crucial for vehicle performance and production costs. The quality of automotive aluminum sheets directly impacts the strength, weight, and durability of vehicle bodies. Therefore, our aluminum sheets undergo rigorous standard testing to ensure superior performance in various applications.
Material Temper
The material state of automotive aluminum sheets significantly affects their performance and machinability.
T4/T4P Temper
This condition, achieved through solution heat treatment followed by natural aging, is suitable for complex stamping components such as body panels, doors, and hoods. T4/T4P materials gain strength gradually during natural aging, but their optimal forming performance is time-limited. Typically, these materials should be used within six months; otherwise, hardening can cause cracking during stamping, affecting the quality of the formed parts. Chalco’s T4/T4P aluminum sheets ensure high-quality processing within the optimal forming period, making them ideal for complex parts production.
O Temper
The fully annealed O state is suitable for components requiring deep drawing or significant deformation, such as fuel tanks and radiators. After complete annealing, O state aluminum sheets exhibit excellent ductility and formability, suitable for various complex processes. Chalco’s O state aluminum sheets offer outstanding processing performance and can enhance mechanical properties through subsequent hardening.
T6 Temper
This condition involves solution heat treatment followed by complete artificial aging, providing the highest strength and hardness. It is ideal for high-strength components like chassis and load-bearing structures. Chalco’s T6 aluminum sheets excel in strength and hardness but have poorer formability, making them suitable for structural parts that require high strength. Careful attention to processing stress and welding quality is necessary during use.
Surface Treatment
Surface treatment technology impacts both the appearance and performance of automotive aluminum sheets, especially regarding compatibility with subsequent processing and assembly.
MF (Mill Finish):This basic surface treatment has a roughness between 0.2-0.95, suitable for applications where no special surface finish is required. Chalco’s MF aluminum sheets retain a natural texture and meet standard needs.
EDT (Electric Discharge Texturing): This texturing process uses electric discharge to create uniform micro-indentations on the surface, enhancing paint adhesion and lubrication properties. It is particularly suitable for stamping automotive exterior panels. Chalco’s EDT treatment ensures excellent performance in complex processing scenarios.
Ti/Zr Treatment: Titanium-zirconium treatment forms a thin film on the aluminum sheet surface, enhancing corrosion resistance and improving adhesive bonding. This treatment is suitable for high-adhesion applications. Chalco’s Ti/Zr treatment enhances the reliability of aluminum sheets in harsh environments.
Oil Treatment
Oil treatment forms a protective film on the aluminum sheet surface to improve corrosion resistance and reduce friction during processing.
NP (No Protection): No oil treatment, suitable for scenarios with lower surface protection requirements.
P (Protection): Basic oil treatment provides fundamental surface protection, suitable for routine processing and transportation needs.
DO (Dry Oil): Dry oil treatment reduces oil residue while maintaining protective properties, ideal for precision processing or applications requiring subsequent coating.
EO (Electrostatic Oil): Electrostatic oil treatment evenly applies an oil film through electrostatic action, ensuring uniformity and consistency of the surface coating. It is commonly used for high-quality surface requirements. Chalco’s oil treatments meet high standards for various production and usage scenarios.
Choosing the appropriate treatment can significantly enhance the performance and longevity of automotive aluminum sheets. Chalco is dedicated to providing high-quality aluminum sheets that meet diverse needs, ensuring you make well-informed decisions in your selection process.
Usage of 6111 T4 T6 auto body aluminum sheet
Doors: aluminum doors can reduce the weight of the vehicle and improve the fuel economy of the vehicle. 6111 T4/T6 aluminum sheets are used in door trim panels, reinforcement panels, and inner panels.
Roof: the aluminum roof has good strength and corrosion resistance, and at the same time is light in weight, which can reduce the weight of the vehicle and improve the driving stability and fuel economy of the car.
Body side: 6111 T4/T6 automobile body aluminum sheet can also be used to manufacture body sides. These parts need to have good strength and rigidity, and lightweight is also an important requirement.
Engine cover: 6111 T4/T6 automobile body aluminum plate can also be used to make engine cover, which requires good strength and rigidity, as well as good corrosion resistance, which can effectively prolong the service life of parts.
Trunk cover: the aluminum trunk cover can not only reduce the weight of the vehicle, but also has good strength and rigidity, which can protect the contents of the vehicle and improve the sports performance of the vehicle.
Frame: 6111 T4/T6 aluminum plate can also be used to manufacture the frame. The aluminum frame has good rigidity and strength, and at the same time is light in weight, which can improve the fuel economy of the vehicle.
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Precautions for the use of 6111 automobile body aluminum plate
Pay attention to protecting the surface: during the process of handling, transportation, processing and installation, care should be taken to protect the surface of 6111 aluminum alloy to avoid scratches, wear and corrosion.
Control processing parameters: when processing 6111 aluminum alloy, the processing parameters should be well controlled, such as cutting speed, cutting angle, drilling depth, etc., to avoid problems such as deformation and cracks of the plate caused by excessive heat treatment or processing.
Strict control of welding quality: when welding 6111 aluminum alloy, the welding process, welding temperature and welding parameters should be strictly controlled to ensure the quality and reliability of the weld.
Proper storage and storage: when storing 6111 aluminum alloy, it should be kept properly to avoid the influence of damp, heat, corrosion and other factors, so as to ensure the performance and quality of the material.
Pay attention to safe production: when operating 6111 aluminum alloy, safety production regulations should be followed, and protective equipment should be worn correctly to avoid safety accidents.
Chemical composition of 6111 T4 T6 auto body aluminum sheet
| Element | Composition |
| Al | Reminder |
| Fe | ＜0.7% |
| Si | 0.5-1.0% |
| Cu | 0.15-0.4% |
| Mn | 0.15-0.5% |
| Mg | 0.8-1.3% |
| Ti | ＜0.10% |
| Zr | ＜0.10% |
| V | ＜0.05 |
| Other | ＜0.15% |
Property of 6111 T4 T6 auto body aluminum sheet
| Temper | T4 | T6 |
| Tensile strength (MPa) | 200-240 | 290-310 |
| Yield strength (MPa) | 100-150 | 240-280 |
| Elongation (%) | 15-20 | 10-15 |
| Hardness (HB) | 50-70 | 80-100 |
Other requirements of aluminum car body sheet metal
| Flange performance | The grade of flanging of panels and strips for body panels is grade 1 or grade 2. If other products require flanging performance, it should be indicated in the order (or contract). |
| Paint brush line | The grade of paint brushing line for panels and samples of body panels is grade 1 or grade 2. When other products require the performance of paint wire, it should be indicated in the order (or contract). |
| Anti-dent performance | When the buyer has requirements on the dent resistance performance of the panels and strips used for body panels, the supplier shall provide relevant data on the dent resistance performance. |
| FLD performance | When the purchaser has FLD performance requirements for panels and strips used for body panels, the supplier shall provide relevant data on FLD performance. |
| High speed tensile properties | When the buyer has high-speed drawing performance requirements for the panels and strips used for body panels, the supplier shall provide relevant data on the high-speed drawing performance. |
| Microstructure | The microstructure of sheets and strips subjected to solution heat treatment is not allowed to be over-burned. |
| Oil amount | The oiling of the product is most determined through negotiation between the supplier and the buyer, and is indicated in the order form (or contract). |
| Passivation film thickness | The passivation film thickness of the product is determined through negotiation between the supplier and the buyer, and is specified in the order form (or contract). |
| Appearance Quality | Defects such as surface roughness, slight unevenness, scratches, color difference and small prints are allowed on the surface of panels and strips for inner panels of body panels and panels and strips for body structural parts, which do not affect the formability. |
| Defects such as cuts and marks that affect the use are not allowed on the outer surface of the panels and strips used for the outer panels of the body panels, and defects such as slight color difference, such as paint openings and cover-ups, are allowed. |
Thickness deviation of 6111 T4 T6 auto body aluminum sheet for body panels
| Thickness mm | Thickness tolerances within the following width ranges | ||
| 800.0-1600.0 | >1600.0-1800.0 | >1800-2400.00 | |
| 0.70-1.00 | ±0.03 | ±0.05 | ±0.08 |
| >1.00-1.20 | ±0.04 | ±0.06 | ±0.09 |
| >1.20-1.50 | ±0.05 | ±0.07 | ±0.10 |
Width deviation of 6111 T4 T6 auto body aluminum sheet for body structural parts
| Thickness mm | Width tolerances within the following width ranges | |||||||
| <100.0 | >100.0-00.0 | >300.0-500.0 | >500.0- 800.0 | >800.0-1 250.0 | >1 250.0-1 800.0 | >1 800.0-2 000.0 | >2 000.0-2 400.0 | |
| 0.30—1.60 | + 0, 3 0 | + 0, 4 0 | + 1.0 0 | + 1.5 0 | + 2, 0 0 | + 3.0 0 | — | — |
| >1.60—3.50 | — | — | — | + 2.0 0 | 4-3.0 0 | + 4.0 0 | + 5.0 0 | + 6.0 0 |
Length deviation of 6111 T4 T6 auto body aluminum sheet and strips for body panels
| Thickness mm | Length tolerances within the following length ranges | |
| 800.0-2 000.0 | >2 000.0 | |
| 0.70-1.50 | + 3.0 0 | + 5.0 0 |
Diagonal deviation of 6111 T4 T6 auto body aluminum sheet and strips for body panel
| Length mm | The allowable deviation of the two diagonal lengths of the board corresponding to the following width W | |
| 800.0-1 600.0 | >1 600.0-2 400.0 | |
| <3 000.0 | 1.2 × W/300 | 1.0 × W/300 |
| >3 000.0 | 1.0 × W/300 | 0.8 × W/300 |
Unevenness of 6111 T4 T6 auto body aluminum sheet and strips for body panel
| Thickness mm | The unevenness of sheets and strips within the following width ranges shall not be greater than | Termination area, warpage height | ||||
| <500.0 | >500.0- 1 000.0 | >1 000.0- 1 500.0 | >1 500.0- 2 000.0 | >2 000.0 | ||
| 0.30-0.50 | 3 | 4 | 4 | 4 | — | ≤25 |
| >0.50-0.80 | 3 | 4 | 4 | 7 | 8 | |
| >0.80-1.60 | 3 | 4 | 4 | 6 | 8 | |
| >1.60-2.00 | 3 | 4 | 4 | 6 | 8 | |
| 2.00-3.50 | 3 | 4 | 4 | 6 | 8 | |
Chalco can provide you the most comprehensive inventory of aluminum products and can also supply you customized products. Precise quotation will be provided within 24 hours.
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