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17 NiCrMo 6-4

Germany DIN 17NiCrMo6-4 Case hardening steels - Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17NiCrMo6-4 / 17 NiCrMo 6-4
Category Grade Standard Region/Area Standard Content
Metals 17 NiCrMo 6-4 DIN EN 10084 Germany Case hardening steels - Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 17 NiCrMo 6-4

Element Min Max Similar

Mechanical Properties of steel grade 17 NiCrMo 6-4

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)
261 (≥) 357 (≥) 23 24 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade 17 NiCrMo 6-4

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
12 - -     0.11 -  
137 626 - 34.3 141   -  
786 - 41 32.2   232 132

Heat Treatment of steel grade 17 NiCrMo 6-4

Heat treated : 1215°C - 1851°C

Technological Curves of steel grade 17 NiCrMo 6-4

Cross Reference Table (Equivalent Grade) of 17 NiCrMo 6-4

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