6A16 aluminum alloy has the advantages of high strength, light weight, good corrosion resistance, easy processing and good surface treatment, and can be used to manufacture various parts, such as body panels (such as front hood inner and outer panels), doors, car roof etc, it is a very ideal automotive material.
Why choose Chalco 6A16 automotive aluminum sheet?
Chalco auto body sheet production capacity
It has an acid-alkali cleaning and passivation unit for automobile plates, and the 6000 series aluminum alloy plates produced by heat treatment (such as: T4, T4P, T6, T8X) can well meet the requirements of automobile shells.
Chalco Aluminum can provide 6-series automotive inner panels, 6-series outer panels, and automotive structural materials, realizing full coverage of key automotive lightweight panels, and the industrialization of automotive lightweight materials has entered a new stage.
Chalco automotive IATF16949 standard
Chalco Aluminum has passed the requirements of the automotive IATF16949 standard audited by BSI (British Standards Institution), providing quality compliance for continuously expanding the automotive product market and achieving high-quality development.
Well-known brand automobile material certification
Serving Tesla, Ford, Shanghai Automobile, Weilai Automobile, BAIC New Energy, Changan Automobile and other famous new energy automobile manufacturers, confirmed the material certification relationship, and completed the parts of many automobile factories such as BAIC New Energy and Weilai Automobile Model car plate material certification.
The specification introduction of 6A16 auto body sheet
| Alloy | 6A16 |
| Temper | T4Pa, T6Bb |
| ABS sheet dimension | Thickness: 0.70-1.50mm |
| Width: 800-2400mm | |
| Length: 800-5500mm | |
| ABS coil dimension | Thickness: 0.70-1.50mm |
| Width: 800-2400mm | |
| Standard | GB/T 33227-2016, JIS H4000, ASTM B209, EN 485 |
The chemical composition of 6A16 car body sheet metal
| Element | Composition (%) |
| Si | 0.6-1.2 |
| Fe | 0.40 |
| Cu | 0.02-0.20 |
| Mn | 0.01-0.25 |
| Mg | 0.7-1.3 |
| Cr | 0.10 |
| Ni | - |
| Zn | 0.25-0.8 |
| Ti | 0.15 |
| Al | Remainder |
The properties of 6A16 aluminum sheet metal
The Surface processing method of automobile aluminum plate
| Surface processing method | Code name | Paraphrase |
| Mill face | MF | The surface of the rolling machined product ground by grinding wheel |
| Textured surface | EDT | Product surface processed by spoke rolling using EDM |
| Surface treatment | Code name | Paraphrase |
| Chemical cleaning | NP | Product surface treated with acid and alkali liquid |
| Passivation | P | The surface of the product buried by the designated pretreatment agent |
| Dry oiling | DO | Product surface coated with specified solid grease |
| Wet oiling | EO | Product surface coated with specified liquid grease |
The Surface treatment of automotive aluminum sheets
| Features | Code name | Paraphrase |
| For standard board | S | For products with no special requirements on surface and performance |
| For high bake hardened panels | IBR | For products with greater strength after baking |
| For high flanged panels | IH | For products requiring better flanging properties |
| For high-strength board | HS | Products for high-strength areas |
| For low strain plates | RSS | 5000 series products for parts with low strain requirements |
The mechanical properties of automobile body panels at room temperature
| Alloy | 6A16 | 6A16 |
| Code name | S | IBR |
| Temper | T4P | T4P |
| Sample temper | T4P | T4P |
| Thickness mm | 0.70-1.50 | 0.70-1.50 |
| Tension Strength Rm N/mm2 | ≥220 | ≥230 |
| Yield Strength R p0.2 N/mm2 | 100-150 | 110-150 |
| Max Elongation A % | ≥20 | ≥20 |
| Elongation after break A 50 min % | ≥24 | ≥24 |
| Strain hardening exponentn （10%-20% Stain） | ≥0.24 | ≥0.24 |
| Plastic strain ratior （10% Stain） | ≥0.5 | ≥0.5 |
Tensile mechanical properties at room temperature after simulated baking
| Alloy | Code Number | Temper | Sample temper | Thickness mm | Specified non-proportional tensile strength R p0.2 N/mm2 |
| 6A16 | S | T4P | T6B | 0.70-1.50 | 220-280 |
| IBR | T4P | T6B | 0.70-1.50 | 240-300 |
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 plates 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. |
Deviation of 6A16 T4Pa T6Bb automotive body sheet
| 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 |
| Thickness mm | Width tolerances within the following width ranges | ||
| 800.0-1 600.0 | >1 600.0-1800.0 | >1800-2 400.0 | |
| 0.70—1.50 | + 0, 3 0 | + 5, 0 0 | + 6, 0 0 |
| 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 |
| 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 6A16 T4Pa T6Bb automotive body sheet | ||
| End position warping height mm | The maximum transverse or longitudinal unevenness of the board surface outside the end portion' mm | wave number piece |
| ≤10 | ≤5 | ≤1 |
| The end portion refers to the entire plate surface of the end included within the length range of 300.0 mm at both ends in the length direction of the plate. If the plate is square, the end part shall be the surface of the square circle contained within 300 mm around the edge. | ||
What are the characteristics of 6A16 aluminum for automotive body sheet panels?
High strength: 6A16 auto body sheet has high strength, which is stronger than traditional aluminum alloys, which makes it ideal for automotive manufacturing.
Lightweight: aluminum alloy is lighter than steel, so it can reduce the weight of the car and improve the fuel economy and driving efficiency of the car.
Good corrosion resistance: aluminum alloy has excellent corrosion resistance and can be used in harsh environments.
Easy to process: aluminum alloys are easy to process and can be manufactured into parts of various shapes and sizes through a variety of processing methods.
Has good surface treatment: the surface of aluminum alloy is easy to handle, and various surface treatment effects can be obtained through surface treatment methods such as anodizing, and it also has certain decorative properties.
Good formability: 6A16 automotive aluminum sheet has good formability and can be made into various shapes of auto parts.
Good high temperature performance: 6A16 automotive body sheet has good high-temperature performance and can be used in high-temperature environments, such as widely used in the manufacture of engine parts.
Environment friendly: aluminum alloy is a recyclable material that can be recycled and reused after production and use, which is conducive to protecting the environment and saving resources.
What items should be paid attention to when purchasing 6A16 automotive sheet metal body panels?
Specifications and size: choose the appropriate specification and size according to your needs. The specifications and dimensions of the aluminum plate have a great influence on subsequent processing and use.
Surface quality: surface quality is an important index to measure the quality of aluminum plate. The surface of 6A16 car body sheet metal produced by Chalco Aluminum is smooth and flat, without surface defects such as cracks and bubbles.
Strength and hardness: strength and hardness are important performance indicators of aluminum sheet materials. The 6A16 aluminum sheet metal produced by Chalco Aluminum has sufficient strength and hardness to ensure that it will not cause problems in use.
Production process: the production process is an important factor affecting the quality of aluminum sheets. The 6A16 automotive aluminum sheet produced by Chalco Aluminum adopts the aluminum sheet produced by advanced technology to ensure its quality and performance.
Supplier reputation and service: the supplier's reputation and service quality are also factors that you need to consider. Chalco Aluminum is a supplier with a good reputation and perfect after-sales service to ensure your purchasing experience is pleasant and smooth.
Test certificate: the test certificate is an important proof to measure the quality of the aluminum plate. Chalco Aluminum can provide corresponding inspection certificates to ensure that aluminum sheets meet national or industry standards.
Price: considering the cost of 6A16 aluminum for automotive body sheet panels, Chalco Aluminum is moderately priced and widely favored by auto parts manufacturers.
Packaging and shipping: Chalco Aluminum has fully considered the packaging and shipping methods of aluminum sheets to ensure that they will not be damaged during transportation.
The usage of 6A16 automotive sheet metal panels
Automobile body panels: 6A16 auto body sheet metal can be used to manufacture automotive body panels, such as doors, hoods, roofs, etc., with good toughness and corrosion resistance, which can improve the lightweight of automobiles.
Automobile chassis plate: 6A16 automotive body sheet metal can be used to manufacture automobile chassis plate, such as body chassis, heat insulation board, etc. It has good strength and wear resistance, and can improve the stability and safety of the car.
Automotive interior panels: 6A16 aluminum for automotive body sheet panels can be used to manufacture automotive interior panels, such as instrument panels, door trim panels, seat brackets, etc., with good appearance and decorative effects.
Car radiator: 6A16 automotive sheet metal body panels can be used to make car radiators, which has good thermal conductivity and heat dissipation performance, and can effectively reduce the temperature of car engines.
Automobile exhaust pipe: 6A16 Automotive sheet metal panels can be used to manufacture automobile exhaust pipe, which has good high temperature resistance and corrosion resistance, and can prolong the service life of the exhaust pipe.
In short, 6A16 aluminum alloy has excellent performance and characteristics, and can be used to manufacture various parts and components of automobiles, which can improve the performance and quality of automobiles, and achieve the goals of automobile lightweight, energy saving and emission reduction.
