Designations | Definition | Example | |||
---|---|---|---|---|---|
T | Thermally treated to achieve properties | ||||
T3 | 51 | Solution heat treated and cold worked, stress relieved by stretching | 2024-T351 | ||
T4 | Solution heat treated | 2017-T4 | |||
T6 | 51 | 1 | Solution heat treated, artificially aged, stress relieved by stretching and straightened. Only applies to extruded products. | 6061-T6511 6063-T6511 |