EV7

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#EV7 #S63007 #21-5-5-N

Description

USA UNS EV7 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: EV7

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	EV7	UNS	USA	Steel for exhaust valves

Chemical composition(mass fraction)(wt.%) of the EV7

C	Si	Mn	Cr	Ni	N
0.20 - ≥	0.50 - ≥	5.00 - ≥	21.0 - ≥	4.50 - ≥	0.30 - ≥

Mechanical Properties of steel grade EV7

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)
222 (≥)	764 (≥)	33	42	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	141

Physical Properties of steel grade EV7

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
44	-	-			0.14	-
976	222	-	21.3	233		-
964	-	32	33.2			343	222

Heat Treatment of steel grade EV7

Heat treated : 1847°C - 1686°C

Technological Curves of steel grade EV7

No Curve

Cross Reference Table (Equivalent Grade) of EV7

Grade	Standard	Country	Application
EV7
HEV7
SAE EV7
SAE EV7
SAE HEV7
SAE HEV7
S63007
UNS S63007
UNS S63007

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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...

Rfq.: sales@longhaisteel.com

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EV7