Foundry 101
Aluminum Die Cast Alloy Comparison
Chemical composition and mechanical properties of common aluminum die casting alloys.
Composition limits and typical mechanical properties for the aluminum alloys most often used in die casting.
| Composition % |
A360 |
ADC3 |
A380 |
ADC10 |
A383 |
ADC12 |
B390 |
ADC14 |
| Silicon |
9.0 - 10.0 |
9.0 - 10.0 |
7.5 - 9.5 |
7.5 - 9.5 |
9.5 - 11.5 |
9.6 - 12.0 |
16.0 - 18.0 |
16.0 - 18.0 |
| Iron |
1.30 |
0.90 |
1.30 |
0.90 |
1.30 |
0.90 |
<1.30 |
<1.30 |
| Copper |
0.60 |
0.60 |
3.0 - 4.0 |
2.0 - 4.0 |
2.0 - 3.0 |
1.5 - 3.5 |
4.0 - 5.0 |
4.0 - 5.0 |
| Manganese |
0.35 |
0.30 |
0.50 |
0.50 |
0.50 |
0.50 |
<0.50 |
<0.50 |
| Magnesium |
0.40 – 0.60 |
0.40 – 0.60 |
0.10 |
0.30 |
0.10 |
0.30 |
0.45 - 0.65 |
0.45 - 0.65 |
| Nickel |
0.50 |
0.50 |
0.50 |
0.50 |
0.30 |
0.50 |
<1.0 |
<0.30 |
| Zinc |
0.50 |
0.50 |
3.0 |
1.0 |
3.0 |
1.0 |
<1.50 |
<1.50 |
| Tin |
0.15 |
0.10 |
0.35 |
0.10 |
0.15 |
0.1 |
- |
<0.30 |
| properties |
A360 |
ADC3 |
A380 |
ADC10 |
A383 |
ADC12 |
B390 |
ADC14 |
| Tensile (ksi) |
46 |
46 |
47 |
46 |
45 |
45 |
46 |
46 |
| Yield Strength |
24 |
26 |
23 |
23 |
22 |
22 |
36 |
36 |
| Elongation % |
3.5 |
3.5 |
3.5 |
3.5 |
3.5 |
3.5 |
<1 |
<1 |
| Hardness (BHN) |
75 |
76 |
80 |
83 |
75 - 80 |
86 |
120 |
108 |