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38 NiCrMoV 7-3

Germany DIN 38NiCrMoV7-3 Heat treatable alloyed NiCrMo steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38NiCrMoV7-3 / 38 NiCrMoV 7-3
Category Grade Standard Region/Area Standard Content
Metals 38 NiCrMoV 7-3 -- Germany Heat treatable alloyed NiCrMo steel

Chemical composition(mass fraction)(wt.%) of the 38 NiCrMoV 7-3

Element Min Max Similar

Mechanical Properties of steel grade 38 NiCrMoV 7-3

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)
689 (≥) 795 (≥) 12 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 38 NiCrMoV 7-3

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
24 - -     0.14 -  
653 924 - 13.3 132   -  
338 - 14 41.2   311 132

Heat Treatment of steel grade 38 NiCrMoV 7-3

Heat treated : 1338°C - 1473°C

Technological Curves of steel grade 38 NiCrMoV 7-3

Cross Reference Table (Equivalent Grade) of 38 NiCrMoV 7-3

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