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Description

USA UNS K92890 Superalloys Structural and constructional steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: K92890
Category Class Grade Type Standard Country Application
Steel GradesSuperalloys K92890 Martensite UNS USA Structural and constructional steels

Chemical composition(mass fraction)(wt.%) of the K92890

C Ni Co Mn Si Al Mo S P Ti Fe Cr Cu
≤0.03 17.00 -19.00 7.00 -8.50 ≤0.10 ≤0.10 0.05 -0.15 4.60 -5.20 ≤0.010 ≤0.010 0.30 -0.50 ≤Bal ≤0.50 ≤0.50

Mechanical Properties of steel grade K92890

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)
231 (≥) 791 (≥) 43 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade K92890

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
21 - -     0.41 -  
181 195 - 34.3 243   -  
711 - 34 41.2   434 141

Heat Treatment of steel grade K92890

Heat treated : 1958°C - 1785°C

Technological Curves of steel grade K92890


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