LM155 datasheet
Aluminium Casting Alloy
(Al-Cu4Sil)
| Chemical Composition |
| |
Min |
Max |
| Copper |
3.8 |
4.5 |
| Magnesium |
|
0.10 |
| Silicon |
1.0 |
1.5 |
| Iron |
|
0.25 |
| Manganese |
|
0.1 |
| Nickel |
|
0.1 |
| Zinc |
|
0.1 |
| Lead |
|
0.05 |
| Tin |
|
0.05 |
| Titanium |
0.05 |
0.25 |
| Aluminiuim |
|
Remainder |
Mechanical Properties |
| 0.2% Proof Stress (N/mm²) |
200 |
|
| Tensile Stress (N/mm²) |
280 |
|
| Elongation (%) |
4 |
|
| Brinell Hardness |
85 |
|
| Primarily used for aircraft engineering, crankcases rear axels cases and aircraft wheels. Excellent mechanical properties make it particularly suitable for hightly stressed castings where the component requires maximum resistance to shock. |
