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17 NiCrMo 5

EU EU 17NiCrMo5 Case-hardening steels; quality specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17NiCrMo5 / 17 NiCrMo 5
Category Grade Standard Region/Area Standard Content
Metals 17 NiCrMo 5 EU 84 EU Case-hardening steels; quality specifications

Chemical composition(mass fraction)(wt.%) of the 17 NiCrMo 5

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni 1.2000 1.5000 -
Mo 0.1500 0.2500 -
Mn 0.6000 0.9000 -
Cr 0.8000 1.1000 -
C 0.1400 0.2000 -

Mechanical Properties of steel grade 17 NiCrMo 5

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)
517 (≥) 382 (≥) 44 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 17 NiCrMo 5

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
23 - -     0.12 -  
735 866 - 13.3 412   -  
754 - 42 23.2   121 313

Heat Treatment of steel grade 17 NiCrMo 5

Heat treated : 1817°C - 1728°C

Technological Curves of steel grade 17 NiCrMo 5

Cross Reference Table (Equivalent Grade) of 17 NiCrMo 5

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