6061 aluminum plate T6 and T651 Which TEMPER is more suitable for processing?

The common states of 6061 aluminum sheets include O state, T4 state, T6 state and T651 state. Among them, the alloy in T651 state is stretched on the basis of T6 state and formed after eliminating internal stress, which is more suitable for processing and forming.

The difference between the two states of 6061 aluminum plate T6 and T651:

The difference between T6 and T651 is that under normal circumstances, the internal stress of T6 will be relatively large, and it will be deformed during processing. The most suitable state for processing should be T651.

        6061-T6 state: cooling after solution heat treatment to achieve high strength, no longer cold working;

6061-T651 state: cooling after solution heat treatment to achieve high strength, and then cold stretching by stretching machine to eliminate residual internal stress after heat treatment, so as to ensure the precision of machined products without deformation after deep processing.

Because 6061-T651 is a high-quality aluminum alloy product produced by heat treatment and pre-stretching process, although its strength cannot be compared with 2XXX series or 7XXX series, it has many characteristics of magnesium and silicon alloys, good processing performance and excellent welding characteristics. And electroplating, good corrosion resistance, high toughness and no deformation after processing, compact material without defects and easy to polish, easy to color film, good oxidation effect and other excellent characteristics.

The representative applications of 6061-T651 include aerospace fixtures, electrical fixtures, and communication fields, and are also widely used in automated mechanical parts, precision machining, mold manufacturing, electronics and precision instruments, SMT, PC board soldering carriers, etc.