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45 CrMoV 6 7

Germany DIN 45CrMoV67 High-temperature Steels for Springs; Quality Properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 45CrMoV67 / 45 CrMoV 6 7
Category Grade Standard Region/Area Standard Content
Metals 45 CrMoV 6 7 DIN 17225 Germany High-temperature Steels for Springs; Quality Properties

Chemical composition(mass fraction)(wt.%) of the 45 CrMoV 6 7

Element Min Max Similar
V 0.2500 0.3500 -
Si 0.1500 0.3500 -
Mo 0.6500 0.7500 -
Mn 0.6000 0.8000 -
Cr 1.3000 1.5000 -
C 0.4000 0.5000 -

Mechanical Properties of steel grade 45 CrMoV 6 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)
993 (≥) 498 (≥) 14 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade 45 CrMoV 6 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
22 - -     0.42 -  
588 343 - 33.3 432   -  
169 - 32 31.2   414 213

Heat Treatment of steel grade 45 CrMoV 6 7

Heat treated : 1564°C - 1428°C

Technological Curves of steel grade 45 CrMoV 6 7

Cross Reference Table (Equivalent Grade) of 45 CrMoV 6 7

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