O |
Annealed |
H111 |
Annealed and slightly strain hardened (less than H11) |
H12
H14
H16
H18 |
Strain Hardened, 1/4 Hard
Strain Hardened, 1/2 Hard
Strain Hardened, 3/4 Hard
Strain Hardened, Full Hard |
H22
H24
H26
H28 |
Strain Hardened and Partially Annealed, 1/4 Hard
Strain Hardened and Partially Annealed, 1/2 Hard
Strain Hardened and Partially Annealed, 3/4 Hard
Strain Hardened and Partially Annealed, Full Hard |
H32
H34
H36
H38 |
Strain Hardened and Stabilized, 1/4 Hard
Strain Hardened and Stabilized, 1/2 Hard
Strain Hardened and Stabilized, 3/4 Hard
Strain Hardened and Stabilized, Full Hard |
T3 |
Solution heat-treated, cold worked and naturally aged |
T351 |
Solution heat-treated, cold worked, stress-relieved by stretching and naturally aged |
T4 |
Solution heat-treated and naturally aged |
T451 |
Solution heat-treated, stress-relieved by stretching and naturally aged |
T6 |
Solution heat-treated and then artificially aged |
T651 |
Solution heat-treated, stress-relieved by stretching and artificially aged |