What is the difference between 6061 T6 and 6061 T6511 aluminum?

What is the difference between 6061 T6 and 6061 T6511 aluminum?

In terms of mechanical properties, 6061-T6 and 6061-T6511 have similar strength and hardness. However, the T6511 variant may have slightly better dimensional stability and reduced internal stress, which can be beneficial in certain applications where tight tolerances are required.

Overall, both 6061-T6 and 6061-T6511 are commonly used and offer excellent strength, weldability, and machinability. The choice between them depends on the specific requirements of the application and any dimensional considerations.