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Germany DIN NiCr21Mo Forgings and drop forgings of wrought nickel and nickel alloys; properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiCr21Mo / NiCr21Mo
Category Grade Standard Region/Area Standard Content
Metals NiCr21Mo DIN 17754 Germany Forgings and drop forgings of wrought nickel and nickel alloys; properties

Chemical composition(mass fraction)(wt.%) of the NiCr21Mo

Element Min Max Similar
C - 0.0250 -
Mn - 1.0000 -
P - 0.0300 -
S - 0.0150 -
Si - 0.5000 -
Ni 38.0000 - -
Cr 19.5000 23.5000 -
Mo 2.5000 3.5000 -
Cu 1.5000 3.0000 -
Ti 0.6000 1.2000 -
Al - 0.2000 -
Fe - - -

Mechanical Properties of steel grade NiCr21Mo

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)
669 (≥) 857 (≥) 34 22 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade NiCr21Mo

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
22 - -     0.42 -  
382 864 - 23.3 211   -  
522 - 13 44.2   431 441

Heat Treatment of steel grade NiCr21Mo

Heat treated : 1311°C - 1848°C

Technological Curves of steel grade NiCr21Mo

Cross Reference Table (Equivalent Grade) of NiCr21Mo

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