EV8

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#EV8 #S63008 #21-4N

Description

USA UNS EV8 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: EV8

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	EV8	UNS	USA	Steel for exhaust valves

Chemical composition(mass fraction)(wt.%) of the EV8

C	Si	Mn	P	S	Cr	Ni	N
0.48 -0.58	≤0.25	8.00 -10.0	≤0.050	≤0.035	20.0 -23.0	3.25 -4.50	0.38 -0.55

Mechanical Properties of steel grade EV8

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)
988 (≥)	185 (≥)	33	24	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	431

Physical Properties of steel grade EV8

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
24	-	-			0.12	-
145	879	-	34.3	213		-
126	-	32	13.2			242	421

Heat Treatment of steel grade EV8

Heat treated : 1637°C - 1484°C

Technological Curves of steel grade EV8

No Curve

Cross Reference Table (Equivalent Grade) of EV8

Grade	Standard	Country	Application
EV8
HEV8
SAE EV8
SAE EV8
SAE HEV8
SAE HEV8
S63008
UNS S63008
UNS S63008

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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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EV8