The quality of aluminum alloy sheet should be high because aluminium sheet product is widely used in many industrial area. The aluminum sheet alloy have grade of 1000 series to 8000 series, the common used are 1050, 1060, 1070, 1100, 3003, 3004, 3104, 3105, 5005, 5052, 5083, 5086, 5454, 5754, 6061, 6063 and 7075. Judging the quality of the aluminum alloy sheet is a problem that many users pay attention to. How to judge whether the quality of the aluminum alloy plate meets the standard?
1, Look at the appearance: the surface of the high-quality aluminum alloy sheet is smooth, without scratches and oil stains, and the color is uniform without color difference. The current aluminum sheet alloy production equipment has been automated, all processed on the assembly line, after degreasing and decontamination treatment, so the surface of high-quality aluminum alloy plate is better.
2, Measure size: Prepare the coil and micrometer to measure the thickness, length, width and diagonal of the aluminum sheet plate, and compare the actual measured data with the national standard. The high-quality alloy aluminum sheet plate has small dimensional tolerances and uniform thickness.
3, Relying on professional equipment: Although many enterprises do not have such equipment, we still need to say that the alloy content needs to be measured by direct reading spectrometer, and the mechanical properties of the aluminum alloy sheet need to be tested by tensile testing machine.
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