Table 2.

Physical, mechanical, and thermal properties of D2-grade tool steel [36].

Physical Properties		Mechanical Properties		Thermal Properties
Properties	Value (Units)	Properties	Value (Units)	Properties	Value (Units)
Density	7.7 × 1000 kg/m3	Hardness, Rockwell C	62	Thermal expansion (20 °C)	10.5 × 10−6 °C−1
Melting point	1421 °C	Hardness, Vickers	748	Thermal conductivity	20 W/mK
		Poisson’s ratio	0.27–0.30
		Elastic modulus	190–210 GPa