What's the difference of aluminum plate 6061 T6 and 6061 T651?
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What's the difference of aluminum plate 6061 T6 and 6061 T651?

Publish Time: 2024-07-16     Origin: Site

The common states of 6061 aluminum plate include temper O , T4 , T6 and T651. The alloy in T651  is formed by stretching and eliminating internal stress on the basis of T6 , making it more suitable for processing and forming.


The difference between T6 and T651 is that in general, T6 has a higher internal stress and deformation during processing. The most suitable temper for processing should be T651.


6061-T6 temper: After xrlutian  treatment, it is cooled to achieve high strength and no longer subjected to cold processing;

6061-T651 temper: After xrlutian treatment, it is cooled to achieve high strength, and then cold stretched by a stretching machine to eliminate residual internal stress after heat treatment, achieving no deformation after deep processing to ensure the precision of machined products.


Due to the fact that 6061-T651 aluminum plate is a high-quality aluminum alloy product produced by heat treatment pre stretching process, although its strength cannot be compared with 2XXX or 7XXX series, it has many magnesium and silicon alloy characteristics, such as good processing performance, excellent welding characteristics and electroplating, good corrosion resistance, high toughness, no deformation after processing, dense and defect free material, easy polishing, easy coloring film, and good oxidation effect.


6061-T651 main applications including aerospace fixtures, electrical fixtures, communication fields, and is also widely used in automation machinery parts, precision machining, mold manufacturing, electronics and precision instruments, SMT, PC board soldering carriers etc.


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