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X 105 CrMo 17

France AFNOR NF X105CrMo17 Iron and steel. Steels for bearings. Types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X105CrMo17 / X 105 CrMo 17
Category Grade Standard Region/Area Standard Content
Metals X 105 CrMo 17 NF A35-565 France Iron and steel. Steels for bearings. Types

Chemical composition(mass fraction)(wt.%) of the X 105 CrMo 17

Element Min Max Similar
C 0.9500 1.1000 -
Mn - 1.0000 -
P - 0.0300 -
S - 0.0200 -
Si - 1.0000 -
Ni - 0.5000 -
Cr 16.0000 18.0000 -
Mo 0.3500 0.7500 -
Fe - - -
C 0.9500 1.1000 -
Mn - 1.0000 -
P - 0.0300 -
S - 0.0200 -
Si - 1.0000 -
Ni - 0.5000 -
Cr 16.0000 18.0000 -
Mo 0.3500 0.7500 -
Fe - - -
Si - 1.0000 -
S - 0.0150 -
P - 0.0400 -
Mo 0.4000 0.8000 -
Mn - 1.0000 -
Cr 16.0000 18.0000 -
C 0.9500 1.2000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Mo 0.4000 0.8000 -
Mn - 1.0000 -
Cr 16.0000 18.0000 -
C 0.9500 1.2000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0300 -
Mo 0.4000 0.8000 -
Mn - 1.0000 -
Cr 16.0000 18.0000 -
C 0.9500 1.2000 -

Mechanical Properties of steel grade X 105 CrMo 17

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)
917 (≥) 319 (≥) 12 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade X 105 CrMo 17

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 - -     0.43 -  
336 325 - 43.3 244   -  
231 - 13 24.2   433 111

Heat Treatment of steel grade X 105 CrMo 17

Heat treated : 1222°C - 1249°C

Technological Curves of steel grade X 105 CrMo 17

Cross Reference Table (Equivalent Grade) of X 105 CrMo 17

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