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15 NiCrMo16-5

France AFNOR NF 15NiCrMo16-5 Iron and steel. Steels for bearings. Types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 15NiCrMo16-5 / 15 NiCrMo16-5
Category Grade Standard Region/Area Standard Content
Metals 15 NiCrMo16-5 NF A35-565 France Iron and steel. Steels for bearings. Types

Chemical composition(mass fraction)(wt.%) of the 15 NiCrMo16-5

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0150 -
P - 0.0250 -
Ni 3.8000 4.3000 -
Mo 0.2000 0.3000 -
Mn 0.2500 0.5500 -
Cu - 0.3500 -
Cr 1.0000 1.4000 -
C 0.1400 0.1800 -
Al - 0.0500 -

Mechanical Properties of steel grade 15 NiCrMo16-5

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)
788 (≥) 367 (≥) 23 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 15 NiCrMo16-5

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
13 - -     0.12 -  
318 775 - 41.3 334   -  
235 - 23 23.2   323 421

Heat Treatment of steel grade 15 NiCrMo16-5

Heat treated : 1618°C - 1192°C

Technological Curves of steel grade 15 NiCrMo16-5

Cross Reference Table (Equivalent Grade) of 15 NiCrMo16-5

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