AA 1xxx/3xxx/8xxx Series
INTIBUMI's Aluminum Standardization is based on AA system (Aluminium Association, USA)
| TEMPER | AA (USA) | SURFACE |
|---|---|---|
| Soft | 0 | Mill Finish Single Bright (foil) Double Bright (foil) |
| ¼ Hard | H12, H22, H32 | |
| ½ Hard | H14, H24, H34 | |
| ¾ Hard | H16, H26, H36 | |
| Hard | H18, H19, H28, H38 |




