Simulation of Material Removal Process in EDM with Composite Tools

Table 3

Die steel properties at different temperatures [16].

Temperature (K)	Coefficient of thermal conductivity (W/(m·K))	Specific heat (J/(kg·K))
298	0.729	460
373	0.705	481
473	0.616	524
573	0.552	565
673	0.497	618
773	0.447	663
873	0.395	745
973	0.364	900
1073	0.355	1070
1273	0.342	1270
1933	0.331	2000