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J92972

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J92971 J93970
#J92972

Description

USA UNS J92972 Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application and J92972 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: J92972
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy J92972 UNS USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HK40
HT30
J92500
J92800
J92804
J92600
J92710
J92900
J92901
J92971

Chemical composition(mass fraction)(wt.%) of the J92972

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%)
0.1 3.50-4.50 7.00-9.00 0.06 0.03 16.0-18.0 8.0-9.0 － 0.08-0.18

Mechanical Properties of steel grade J92972

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)
584 (≥) 962 (≥) 11 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade J92972

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
42 - -     0.42 -  
822 862 - 33.3 141   -  
284 - 41 32.2   333 241

Heat Treatment of steel grade J92972

Heat treated : 1374°C - 1619°C

Technological Curves of steel grade J92972

Cross Reference Table (Equivalent Grade) of J92972

Grade Standard Country Application
UNS J92972 GBT USA
J92972 UNS USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
J92972 UNS USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
J92971 J93970
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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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