Cast metal characteristics
|
Material |
||||||||
|
Characteristic |
Grey Iron |
SG Iron |
Malleable |
Steel |
Aluminium |
Brass | ||
|
LM6 (Sand) |
LM24 (Pressure) |
LM25 (Gravity) |
||||||
| Castability | 5 | 4 |
4 |
1 |
5 |
5 |
5 |
4 |
|
Machinability |
5 |
4 |
4 |
3 |
3 |
4 |
5* |
4 |
|
Surface Hardening (Heat Treatment) |
5 |
5 |
5 |
3 |
1 |
1 |
5 |
1 |
|
Elasticity |
3 |
5 |
4 |
5 |
5 |
4 |
4 |
3 |
|
Impact Resistance |
1 |
4 |
3 |
5 |
3 |
4 |
5* |
3 |
|
Corrosion Resistance |
5 |
5 |
3 |
2 |
5 |
3 |
3 |
4 |
|
Tensile Strength |
1 |
4 |
4 |
5 |
3 |
4 |
5* |
3 |
| Cost of Manufacture |
5 |
4 |
3 |
2 |
3 |
5 |
4 |
3 |
*In fully heat treated condition.
NB: All characteristics stated are meant as a guide only and are dependant on material grade, current market pr ices, type of component and manufacturing process.
KEY: 5 = Best, 1 = Worst
