E-4

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#E-4

Description

E-4 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: E-4

Category	Type	Steel Grade
Steel Grades	High Alloy	E-4
		Denertia N8
		Discaloy
		DP3W
		DUMET
		Dura-Form
		Duranickel 301
		Duratherm 477
		Duratherm 600
		Duratherm 700
		Duratherm 2602

Chemical composition(mass fraction)(wt.%) of the E-4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.04	1	1	0.045	0.03	10.5-12.5	0.6-1.1
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade E-4

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)
866 (≥)	978 (≥)	14	21	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade E-4

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
14	-	-			0.44	-
853	739	-	21.3	212		-
516	-	44	22.2			111	133

Heat Treatment of steel grade E-4

Heat treated : 1911°C - 1171°C

Technological Curves of steel grade E-4

No Curve

Cross Reference Table (Equivalent Grade) of E-4

Grade	Standard	Country	Application
Ferrite 46		China	CNS standard heat resistant steel bars(CNS 9608-1998)
Martensite 4		China	CNS standard heat resistant steel bars(CNS 9608-1998)

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Rfq.: sales@longhaisteel.com

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E-4