EV7

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#EV7

Description

EV7 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: EV7

Category	Type	Steel Grade
Steel Grades	High Alloy	EV7
		EV1
		EV2
		EV3
		S63016
		EV4
		S63017
		EV5
		S63014
		EV6
		S63015

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.20	0.50	5.00			21.0	4.50
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other	trade names
0.30					21-5-5-N

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)
672 (≥)	549 (≥)	14	33	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	442

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
13	-	-			0.23	-
574	691	-	42.3	224		-
359	-	13	24.2			344	231

Heat Treatment of steel grade EV7

Heat treated : 1791°C - 1927°C

Technological Curves of steel grade EV7

No Curve

Cross Reference Table (Equivalent Grade) of EV7

Grade	Standard	Country	Application
SAE EV7	SAE	USA	precipitation hardening
SAE HEV7	SAE	USA	precipitation hardening

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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EV7