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39 NiCrMo 3

Italy UNI 39NiCrMo3 Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 39NiCrMo3 / 39 NiCrMo 3
Category Grade Standard Region/Area Standard Content
Metals 39 NiCrMo 3 UNI EN 10083-3 Italy Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels

Chemical composition(mass fraction)(wt.%) of the 39 NiCrMo 3

Element Min Max Similar

Mechanical Properties of steel grade 39 NiCrMo 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)
485 (≥) 983 (≥) 32 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 39 NiCrMo 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
44 - -     0.24 -  
769 795 - 33.3 323   -  
294 - 21 13.2   312 123

Heat Treatment of steel grade 39 NiCrMo 3

Heat treated : 1452°C - 1399°C

Technological Curves of steel grade 39 NiCrMo 3

Cross Reference Table (Equivalent Grade) of 39 NiCrMo 3

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