Aluminum Tempers

MetalLearn® – Aluminum Products Aluminum Temper Designations Aluminum Tempers

Basic Temper Designations:

F – As Fabricated, no additional work
- Example 5052 – F
H – Strain Hardened
- Example 3003 – H14
O – Annealed to relieve strain hardening, improve ductility
- Example: 1100 – O
T – Thermally treated to achieve specific hardness, strength, ductility