NV8

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#NV8 #GM-844

Description

USA UNS NV8 Specialsteel Steel for intake valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NV8

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	NV8	UNS	USA	Steel for intake valves

Chemical composition(mass fraction)(wt.%) of the NV8

C	Si	Mn	P	S	Cr	Ni	Mo	Cu
0.35 -0.45	3.60 -4.20	0.20 -0.40	≤0.030	≤ 0.04	1.85 -2.50	≤0.10	≤O.25	≤0.25

Mechanical Properties of steel grade NV8

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
844 (≥)	336 (≥)	14	43	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade NV8

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
31	-	-			0.24	-
423	833	-	22.3	324		-
738	-	22	11.2			323	211

Heat Treatment of steel grade NV8

Heat treated : 1419°C - 1596°C

Technological Curves of steel grade NV8

No Curve

Cross Reference Table (Equivalent Grade) of NV8

Grade	Standard	Country	Application
NV8
HNV8
SAE NV8
SAE NV8
SAE HNV8
SAE HNV8

Available Suppliers

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...

Rfq.: sales@longhaisteel.com

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NV8