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23 NiMoCr 4 7

Switzerland SNV 23NiMoCr47 Steels for forged pieces and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 23NiMoCr47 / 23 NiMoCr 4 7
Category Grade Standard Region/Area Standard Content
Metals 23 NiMoCr 4 7 SNV 210610 Switzerland Steels for forged pieces

Chemical composition(mass fraction)(wt.%) of the 23 NiMoCr 4 7

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni 0.9000 1.2000 -
Mo 0.5000 0.8000 -
Mn 0.5000 1.0000 -
Cr 0.3000 0.5000 -
C 0.1700 0.2500 -

Mechanical Properties of steel grade 23 NiMoCr 4 7

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
282 (≥) 143 (≥) 22 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade 23 NiMoCr 4 7

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
14 - -     0.11 -  
853 252 - 11.3 141   -  
132 - 22 13.2   442 141

Heat Treatment of steel grade 23 NiMoCr 4 7

Heat treated : 1724°C - 1734°C

Technological Curves of steel grade 23 NiMoCr 4 7

Cross Reference Table (Equivalent Grade) of 23 NiMoCr 4 7

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