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America UNS N08904 镍铬钼合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: N08904 / N08904
Category Grade Standard Region/Area Standard Content
Metals N08904 -- America 镍铬钼合金

Chemical composition(mass fraction)(wt.%) of the N08904

Element Min Max Similar
Si - 1.0000 -
S - 0.0350 -
P - 0.0450 -
Ni 23.0000 28.0000 -
Mo 4.0000 5.0000 -
Mn - 2.0000 -
Fe - - -
Cu 1.0000 2.0000 -
Cr 19.0000 23.0000 -
C - 0.0200 -

Mechanical Properties of steel grade N08904

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)
623 (≥) 869 (≥) 21 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade N08904

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
14 - -     0.12 -  
819 648 - 23.3 322   -  
447 - 42 32.2   442 234

Heat Treatment of steel grade N08904

Heat treated : 1572°C - 1353°C

Technological Curves of steel grade N08904

Cross Reference Table (Equivalent Grade) of N08904

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