2A12 aluminum alloy is a kind of high-strength hard aluminum, which can be strengthened by heat treatment.
Chemical Composition(%)
Al: margin
Si ：≤0.50
Cu: 3.8～4.9
Mg: 1.2～1.8
Zn: ≤0.30
Mn: 0.30～0.9
Ti ：≤0.15
Ni: ≤0.10
Fe: 0.000～0.500
Fe+Ni: 0.000～0.500
Specification
| Temper | T3, T351, T4, T451, T6, T651, T6511, T7351 |
| OD | 3-130 mm |
| ID | 3-130 mm |
| Length | 100-6000 mm |
| Tensile Strength | 245-345 Rm/Mpa |
| Yield Strength | 125-245 Rm/MPa |
| Stretch | 12-16％ |
| Hardness | 45-130 HB |
