1.2311 | HASCO Portal
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1.2311
Material no.:

Abbreviated DIN name:

Chemical analysis (%):
1.2311

40 CrMnMo 7

 
C
Mn
Cr
Mo
0,4
1,5
1,9
0,2
HASCO colour code:


Hardness when supplied:
blue / white / white


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

Characteristics

Material properties:

This material should be used in its supplied condition.
High mechanical properties, toughness and compressive
strength.


Uses:

Cavity plates and inserts in plastics processing. Tool
components subjected to high pressures. Other uses in
mouldmaking where high strength is needed without
subsequent heat treatment, up to a thickness of 400 mm.
For larger sizes, please contact us direct.

Physical properties

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

 
100 200 300 400 500 600 700
11,1 12,9 13,4 13,8 14,2 14,6 14,9





Thermal conductivity W / (m·K)

 
20 350 700
34,5 33,5 32,0


Remarks

Polishing:                         Technical polishing possible because the sulphur content is very low.
Graining: Possible.
Nitriding: Possible.
Hardening: Not usual because material should be 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. At higher temperatures, there is a risk that the surface will scale.


 

Time-temperature conversion chart                                                                                      Tempering chart

1.2311_WDB_EN.png

Download the PDF here