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HNV8

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HNV7(71360) EV3
#HNV8 #S42200 #422

Description

USA UNS HNV8 Specialsteel Steel for intake valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HNV8
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HNV8 UNS USA Steel for intake valves

Chemical composition(mass fraction)(wt.%) of the HNV8

C Si Mn P S Cr Ni Mo W
0.20 -0.25 ≤0.50 0.50 -1.00 -0.040 -0.025 11.0 -12.5 0.50 -1.00 0.90 -1.25 0.90 -1.25

Mechanical Properties of steel grade HNV8

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)
328 (≥) 294 (≥) 23 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade HNV8

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
23 - -     0.34 -  
247 644 - 43.3 414   -  
353 - 13 12.2   424 234

Heat Treatment of steel grade HNV8

Heat treated : 1871°C - 1973°C

Technological Curves of steel grade HNV8

Cross Reference Table (Equivalent Grade) of HNV8

Grade Standard Country Application
HNV8
SAE HNV8
SAE HNV8
S42200
S42200
S42200
S42200
422(S42200)
UNS S42200
1.5422
1.5422
S42225
422
422M(C)
422M
SAE 4422
HNV7(71360) EV3
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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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