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America UNS K91973 Ni-Co-Mo-W-Cr Precipitation Hardenable Steel(Ferrium M54) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K91973 / K91973
Category Grade Standard Region/Area Standard Content
Metals K91973 -- America Ni-Co-Mo-W-Cr Precipitation Hardenable Steel(Ferrium M54)

Chemical composition(mass fraction)(wt.%) of the K91973

Element Min Max Similar
C 0.2800 0.3500 -
Mn - 0.1000 -
P - 0.0080 -
S - 0.0060 -
Si - 0.1000 -
Ni 9.5000 10.5000 -
Cr 0.7000 1.3000 -
Mo 1.8000 2.2000 -
V 0.0400 0.1600 -
W 1.1000 1.5000 -
Ti - 0.0450 -
N - 0.0015 -
Al - 0.0100 -
Co 6.6000 7.4000 -
O - 0.0020 -

Mechanical Properties of steel grade K91973

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)
556 (≥) 836 (≥) 42 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade K91973

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
24 - -     0.42 -  
663 645 - 23.3 131   -  
698 - 12 44.2   312 331

Heat Treatment of steel grade K91973

Heat treated : 1472°C - 1951°C

Technological Curves of steel grade K91973

Cross Reference Table (Equivalent Grade) of K91973

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