The characteristics of cast metals

All characteristics stated are meant as a guide only and are dependant on material grade, current market prices, type of component and manufacturing process.

Material

Characteristic

Grey Iron

SG Iron

Malleable

Steel

Aluminium

Brass

LM6 (Sand)

LM24 (Pressure)

LM25 (Gravity)

Castability

54

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

Key: 5 = Best, 1 = Worst

*In fully heat treated condition.

Please contact us for any additional specifications not listed