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Materials

Hot-work steel (maraging steel)

Range of application

Material for the production of components and tool inserts with conformal cooling in the area of injection moulding and die-casting as well as functional parts.

Technical data after recommended heat treatment

1 Tensile test according to DIN EN ISO 50125.
2 By using a special heat treatment a higher elongation can be achieved.
3 Preliminary values subject to change or update.
4 Hardness test according to DIN EN ISO 6508.
Yield Point Re1 1.550 N/mm2
Tensile Strength Rm1 1650 N/mm2
Elongation A 1,2 2 - 3 %
Young's modulus 3 approx. 200 · 103 N/mm2
Thermal conductivity λ3 approx. 20 Wm/k
Hardness 4 up to 52 HRC

Heat treatment

Heat up with 100 °C/h up to 540 °C. Maintain temperature for 6-10  hours. Allow the components to cool down in the oven with 100 °C/h.

Chemical Composition

COMPONENT INDICATIVE VALUE (%)

Fe     Balance
C       0 –0,03
Si     0 –0,10
Mn  0 –0,15
P       0 –0,010
S       0 –0,010
Cr     0 –0,25
Mo    4,50 – 5,20
Ni      17,0 – 19,0
Ti     0,80 – 1,20
Co     8,50 – 10,0