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J84090

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J82090 J91150
#J84090

Description

USA UNS J84090 Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service and J84090 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: J84090
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy J84090 UNS USA Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
C12A
CA15
J12524
J12082
J22000
J12072
J21890
J11872
J42045
J82090

Chemical composition(mass fraction)(wt.%) of the J84090

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.08-0.12 ≤0.60 0.30-0.60 0.02 0.01 8.0-9.50 － 0.85-1.05

Mechanical Properties of steel grade J84090

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)
587 (≥) 143 (≥) 31 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade J84090

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
33 - -     0.43 -  
347 535 - 23.3 131   -  
279 - 14 43.2   141 423

Heat Treatment of steel grade J84090

Heat treated : 1526°C - 1945°C

Technological Curves of steel grade J84090

Cross Reference Table (Equivalent Grade) of J84090

Grade Standard Country Application
UNS J84090 AISI USA
J84090 UNS USA Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
J84090 UNS USA Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
J82090 J91150
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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