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NV9

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NV8 HNVl
#NV9

Description

USA UNS NV9 Specialsteel Steel for intake valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NV9
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NV9 UNS USA Steel for intake valves

Chemical composition(mass fraction)(wt.%) of the NV9

C Si Mn
0.39 - ≥ 0.25 - ≥ 0.75 - ≥

Mechanical Properties of steel grade NV9

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)
352 (≥) 822 (≥) 33 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade NV9

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
34 - -     0.42 -  
849 788 - 12.3 131   -  
432 - 21 42.2   114 441

Heat Treatment of steel grade NV9

Heat treated : 1259°C - 1815°C

Technological Curves of steel grade NV9

Cross Reference Table (Equivalent Grade) of NV9

Grade Standard Country Application
NV9
SAE NV9
SAE NV9
NV8 HNVl
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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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