Heat Treatment in Aluminum: T5 vs T6 Explained

What T5 and T6 mean for aluminum performance, finish, and use in Philippine applications.

In Plain Language

T5: cooled + artificially aged; moderate strength.
T6: solution heat-treated + aged; higher strength.
Impacts machinability, finish, and forming.
Choose by design loads and appearance needs.

Aluminum T5 vs T6 tempers change strength and performance. Pick temper by structural needs and finishing approach.

Process Differences

T5: cooled from shaping and artificially aged
T6: solution heat-treated then artificially aged

When to Choose Each

T5 for profiles prioritizing finish and formability
T6 for higher strength requirements

Related: 6061 vs 6063 and properties.

Tags:

aluminum heat treatmentT5T6Philippines

About the Author

OneSky Technical Team - OneSky Green Aluminum's expert team brings decades of experience in sustainable aluminum manufacturing and recycling. Our commitment to innovation and environmental responsibility drives everything we do.

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