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1.2312

Material no.:

Abbreviated DIN name:

Chemical analysis (%):
1.2312

40 CrMnMoS 8-6

 
C
Mn
S
Cr
Mo
0,4
1,5
0,07
1,9
0,2
HASCO colour code:
Flat steel:


Hardness when supplied:
brown
yellow


soft-annealed to max. 280-325 HB (~950-1100 N/mm²)

Characteristics

Material properties: This material should be used in its
supplied condition. There is consequently no need to
harden the finished parts. Good machinability due to
the high sulphur content.


Uses: Cavity plates and frame plates for compression
moulds and injection moulding tools . Tool components
subjected to high pressures. Other uses in mouldmaking
where relatively high strength is specified without
subsequent heat treatment. For higher surface
requirements, please contact us direct.

Physical properties

Thermal expansion coefficient (10-6·m) / (m·K)

 
100 200 300 400 500 600 700
12,2 12,9 13,5 13,9 14,2 14,5 14,8





Thermal conductivity W / (m·K)

 
20 350 700
34,5 33,5 32,0


Remarks

Polishing:                      Not usual because of the high sulphur content.
Graining: Not usual because of the high sulphur content.
Nitriding: Possible, improves the wear resistance of the surface.
Hardening: Not usual because material is used in its supplied condition.
Soft annealing: Not usual.
Stress-relief
annealing:
To eliminate residual stress after coarse machining at max. 480°C,
approx. 4 h with slow furnace cooling.


 

Time-temperature conversion chart                                                                                      Tempering chart

1.2312_WDB_EN.png

Download the PDF here