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The following table shows the chemical composition of D2 tool steels.
Element | Content (%) |
---|---|
C | 1.40 – 1.60 |
Mn | 0.60 |
Si | 0.60 |
Co | 1.00 |
Cr | 11.00 – 13.00 |
Mo | 0.70 – 1.20 |
V | 1.10 |
P | 0.03 |
Ni | 0.30 |
Cu | 0.25 |
S | 0.03 |
The physical properties of D2 tool steels are outlined in the following table.
Properties | Metric | Imperial |
---|---|---|
Density | 7.7 x 1000 kg/m3 | 0.278 lb/in3 |
Melting point | 1421°C | 2590°F |
The mechanical properties of D2 steels are tabulated below:
Mechanical Properties | Metric | Imperial |
---|---|---|
Hardness, Knoop (converted from Rockwell C hardness) | 769 | 769 |
Hardness, Rockwell C | 62 | 62 |
Hardness, Vickers | 748 | 748 |
Izod impact unnotched | 77.0 J | 56.8 ft-lb |
Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
Elastic modulus | 190-210 GPa | 27557-30 |