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422 SS

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422 422M
#422

Description

USA UNS SAE J 775 (2004), 422 SS Specialsteel Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 422 SS
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 422 SS Precipitation-Hardening UNS USA Engine poppet valve information report

Chemical composition(mass fraction)(wt.%) of the 422 SS

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo W V
≤0.22 ≤0.40 ≤0.75 ≤ ≥ ≤ ≥ ≤0.75 ≤12.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤1.00 ≤1.00 ≤0.22

Mechanical Properties of steel grade 422 SS

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)
297 (≥) 797 (≥) 43 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade 422 SS

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
44 - -     0.43 -  
595 874 - 11.3 332   -  
736 - 42 41.2   133 122

Heat Treatment of steel grade 422 SS

Heat treated : 1628°C - 1198°C

Technological Curves of steel grade 422 SS

Cross Reference Table (Equivalent Grade) of 422 SS

Grade Standard Country Application
1.5422
1.5422
S42200
S42225
S42200
S42200
422
422M(C)
422M
S42200
SAE 4422
UNS G44220
ASTM 4422
UNS G44220
AMS 6422E
UNS K11422
UNS J94224
UNS J42215
UNS J42220
422(S42200)

Relevant standard of 422 SS

SAE J 775 (2004) Engine poppet valve information report SAE-J-775-(2004).pdf
422 422M
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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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