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Characteristics of Cast Metals - grey iron, SG iron, steel, aluminium, brass |
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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 ment as a guide only and are dependant on material
grade, current market prices, type of component and manufacturing process employed KEY 5 = Best, 1 = Worst
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