Thermoplastic Forming Tools

Cronite developed special alloy with low coefficient of expansion at 400˚C.

HR21D
CAST ALLOY COMPOSITION
C [%]
1.1
Mn [%]
-
Si [%]
0.9
Pmax [%]
0.01
Smax [%]
0.01
Cr [%]
-
Ni [%]
25
Nb [%]
-
Others
Co14
Maximal operating temperature
[°C]
~450
Density
g/cm3
7.9
Specific heat at 20°C
J/gK
Coefficient of linear thermal expansion
20-600°C
10-5/°C
6
20-800°C
10-5/°C
6
20-1000°C
10-5/°C
6.4