HEV7

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#HEV7 #S66286 #A-286

Description

USA UNS HEV7 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HEV7

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	HEV7	UNS	USA	Steel for exhaust valves

Chemical composition(mass fraction)(wt.%) of the HEV7

C	Si	Mn	P	S	Cr	Ni	Mo
≤0.08	≤0.70	≤1.50	≤ ≥	≤ ≥	≤14.75	≤26.0	≤1.25

Mechanical Properties of steel grade HEV7

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)
634 (≥)	625 (≥)	12	43	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	424

Physical Properties of steel grade HEV7

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	-	-			0.12	-
158	463	-	32.3	342		-
539	-	31	42.2			244	231

Heat Treatment of steel grade HEV7

Heat treated : 1425°C - 1389°C

Technological Curves of steel grade HEV7

No Curve

Cross Reference Table (Equivalent Grade) of HEV7

Grade	Standard	Country	Application
HEV7
SAE HEV7
SAE HEV7
S66286
S66286
S66286
UNS S66286
UNS S66286
A-286
A-286

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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Stainless Steels

Tube/Pipe

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Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy