With the development of the times, aluminum metal has become an important raw material in automotive materials, and the automotive aluminum industry is also expanding. Compared with steel, cars made of aluminum are lighter and faster, with better performance, which meets people’s needs and expectations for cars. However, the standards for automotive aluminum are also very strict. When choosing an automotive aluminum partner, please pay attention to testing whether their products meet international requirements.
Due to the particularity of automotive aluminum, there are also restrictions on the use of aluminum materials, usually using metal aluminum models 6016 and 6181A. Among them, the specifications of 6016 aluminum are: T61 state, thickness 0.7mm-0.9mm, width 1000mm-1800mm, length 1000mm-5500mm; the specifications of 6181A aluminum are: T61 state, thickness 1.2mm-2.5mm, width 1000mm-1800mm , Length 1000mm-5500mm. If you need to use other types of aluminum raw materials, you need to specify in the contract.
Automobile aluminum is different from industrial aluminum, it has strict requirements on the appearance quality:
1. The edges of the sheet should be cut straight, without burrs and cracks, and no layering is allowed
2. The surface of the board should be flat and smooth, and no defects such as cracks, corrosion, penetrating holes, creasing, folds, etc. are allowed, and only slight bright bars, color differences, etc., which do not affect the use, are allowed.
3. The depth of scratches and scratches on the surface of the plate should not exceed 0.02mm. The abrasion shall not exceed 2 per square meter, and the abrasion area shall not exceed 100*100mm. There are no more than 2 scratches in each 500*500mm range, and no more than 100mm scratches in each place.
When testing aluminum sheets for automobiles, you can pass the GB/T20975 or GB/T7999 two chemical composition analysis methods, or use the arbitration analysis method, but you need to meet the GB/T20975 standard requirements.
The above content comes from Jiangyin Mingding Aluminum Products Co., Ltd. If you are interested in automotive aluminum, or want to find automotive aluminum suppliers from China, you can visit the official website of Jiangyin Mingding Aluminum Products Co., Ltd. We look forward to hearing from you!
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