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40 NiCrMoV 16 KU

Italy UNI 40NiCrMoV16KU Hot rolled or forged finished steel products for tools. Special alloyed steel qualities for hot working and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40NiCrMoV16KU / 40 NiCrMoV 16 KU
Category Grade Standard Region/Area Standard Content
Metals 40 NiCrMoV 16 KU UNI 2955-4 Italy Hot rolled or forged finished steel products for tools. Special alloyed steel qualities for hot working

Chemical composition(mass fraction)(wt.%) of the 40 NiCrMoV 16 KU

Element Min Max Similar
V 0.0500 0.2500 -
Si 0.1000 0.4000 -
S - 0.0300 -
P - 0.0300 -
Ni 3.4000 4.1000 -
Mo 0.4000 0.6000 -
Mn 0.3500 0.7500 -
Cr 1.6000 2.0000 -
C 0.3500 0.4500 -

Mechanical Properties of steel grade 40 NiCrMoV 16 KU

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)
995 (≥) 785 (≥) 33 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 40 NiCrMoV 16 KU

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
32 - -     0.23 -  
869 852 - 44.3 344   -  
516 - 12 31.2   121 434

Heat Treatment of steel grade 40 NiCrMoV 16 KU

Heat treated : 1474°C - 1929°C

Technological Curves of steel grade 40 NiCrMoV 16 KU

Cross Reference Table (Equivalent Grade) of 40 NiCrMoV 16 KU

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