EV3

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#EV3

Description

EV3 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: EV3

Category	Type	Steel Grade
Steel Grades	High Alloy	EV3
		HNV4
		HNV5
		S63005
		HNV6
		S65006
		HNV7 (71360)
		HNV8
		S42200
		EV1
		EV2

Chemical composition(mass fraction)(wt.%) of the EV3

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.12	1.00	1.30			21.0	11.5
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other	trade names
					21-12

Mechanical Properties of steel grade EV3

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)
197 (≥)	174 (≥)	43	11	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical Properties of steel grade EV3

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
43	-	-			0.33	-
824	438	-	33.3	421		-
655	-	32	33.2			141	221

Heat Treatment of steel grade EV3

Heat treated : 1839°C - 1419°C

Technological Curves of steel grade EV3

No Curve

Cross Reference Table (Equivalent Grade) of EV3

Grade	Standard	Country	Application
SAE EV3	SAE	USA	precipitation hardening
SAE HEV3	SAE	USA	precipitation hardening
SEV345		China	China Taiwan Structural steel
SEV 345/SEV 35			Used for pressure vessels in normal temperature, high strength steel plate steel grade

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Rfq.: sales@longhaisteel.com

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EV3