HNV4

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#HNV4 #731

Description

USA UNS HNV4 Specialsteel Steel for intake valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HNV4

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	HNV4	UNS	USA	Steel for intake valves

Chemical composition(mass fraction)(wt.%) of the HNV4

C	Si	Mn	P	S	Cr	Ni
0.45 -	3.30 -	0.40 -	-	-	7.00 -	1.00 - ≥

Mechanical Properties of steel grade HNV4

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)
796 (≥)	767 (≥)	43	12	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	133

Physical Properties of steel grade HNV4

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
22	-	-			0.32	-
524	767	-	42.3	312		-
635	-	23	31.2			333	114

Heat Treatment of steel grade HNV4

Heat treated : 1665°C - 1639°C

Technological Curves of steel grade HNV4

No Curve

Cross Reference Table (Equivalent Grade) of HNV4

Grade	Standard	Country	Application
HNV4
SAE HNV4
SAE HNV4
1.2731
1.4731
1.2731
1.7311
1.7319
IN-731
1.2731
1.2731
1.4731
1.4731

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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Tube/Pipe

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Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy