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Description

USA UNS J92804 Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application and J92804 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: J92804
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy J92804 UNS USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CH10
CH20
CN3MN
CN7M
CT15C
HK30
HK40
HT30
J92500
J92800

Chemical composition(mass fraction)(wt.%) of the J92804

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%)
0.03 1.5 1.5 0.04 0.04 17.0-21.0 9.0-13.0 2.0-3.0 0.10-0.20

Mechanical Properties of steel grade J92804

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)
693 (≥) 333 (≥) 13 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade J92804

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
13 - -     0.33 -  
895 131 - 22.3 132   -  
337 - 21 21.2   412 413

Heat Treatment of steel grade J92804

Heat treated : 1247°C - 1383°C

Technological Curves of steel grade J92804

Cross Reference Table (Equivalent Grade) of J92804

Grade Standard Country Application
UNS J92804 AISI USA
J92804 UNS USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
J92804 UNS USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application

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