1.2767 | HASCO Portal
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1.2767

Material no.:

Abbreviated DIN name:

Chemical analysis (%):
1.2767

45 NiCrMo 16


 
C
Cr
Mo
Ni
0,45
1,4
0,3
4,0
HASCO colour code:
Flat steel:


Hardness when supplied:
green / white
violet


annealed to max. 285 HB (~965 N/mm²)

Characteristics

Material properties: Due to the high nickel and corresponding
carbon content, this material is a very evenly hardening,
dimensionally stable steel with high toughness and resistance
to impact and compressive stress.


Uses: Mould plates and inserts for the processing of thermo-
plastics and thermosets, especially for high gloss polishes,
e.g. for transparent melts and components with high surface
requirements, mould components with high compressive and
flexural stresses, embossing tools and other uses for which
the above requirements are needed.

Physical properties

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

 
100 200 300 400 500 600 700
11,8 12,5 12,8 13,1 13,4 13,8 13,6





Thermal conductivity W / (m·K)

 
20 350 700
30,0 30,5 32,0

 


Remarks

Polishing:                         Definitely possible due to the metallurgical properties. For high-gloss polishes, use the ESR quality.
Graining: Possible.
Nitriding: Not usual.
Hardening: At 840°C – 870°C.
Details can be found in the time-temperature conversion and tempering charts. The most suitable heat treatment for the relevant workpiece should be fixed by the hardening shop. The hardness should be specified by the hardening shop and checked on delivery.
Soft annealing: 620°C – 650°C, approx. 4 h
Stress-relief
annealing:
To eliminate residual stresses after coarse machining at
approx. 600°C – 650°C, approx. 4 h with slow heating and furnace cooling.
Normal
working hardness:
50 - 56 HRC


 

Time-temperature conversion chart                                                                                     Tempering chart

1.2767_WDB_EN.png

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