AISI E4640

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#AISI # #E4640

Description

AISI E4640 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AISI E4640

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AISI E4640
		SAE 4620
		UNS G46200
		SAE X4620
		AISI E4620
		SAE 4621
		UNS G46210
		SAE 4626
		UNS G46260
		AISI A4640
		SAE 4640

Chemical composition(mass fraction)(wt.%) of the AISI E4640

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.43	0.2-0.35	0.6-0.8	0.025	0.025		1.65-2
Mo	Al	Cu	Nb	Ti	V	Ce
0.2-0.27
N	Co	Pb	B	Other

Mechanical Properties of steel grade AISI E4640

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)
969 (≥)	346 (≥)	22	41	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	312

Physical Properties of steel grade AISI E4640

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
21	-	-			0.14	-
757	547	-	14.3	222		-
852	-	34	22.2			213	134

Heat Treatment of steel grade AISI E4640

Heat treated : 1399°C - 1998°C

Technological Curves of steel grade AISI E4640

No Curve

Cross Reference Table (Equivalent Grade) of AISI E4640

Grade	Standard	Country	Application
AISI 431	AISI	USA	Martensitic special steel
AISI 440A	AISI	China	Martensitic special steel
AISI 440B	AISI	USA	Martensitic special steel
AISI 440F	AISI	USA	Martensitic special steel
AISI 440F Se	AISI	USA	Martensitic special steel
AISI 501	AISI	USA	Martensitic special steel
AISI 501A	AISI	USA	Martensitic special steel
AISI 501B	AISI	USA	Martensitic special steel
AISI 502	AISI	USA	Martensitic special steel
AISI 503	AISI	USA	Martensitic special steel
AISI 504	AISI	USA	Martensitic special steel
AISI S13800		USA	precipitation hardening
AISI S15500	AISI	USA	precipitation hardening
AISI 632	AISI	USA	precipitation hardening
AISI 630	AISI	USA	precipitation hardening
AISI 635	AISI	USA	precipitation hardening
AISI 631	AISI	USA	precipitation hardening
AISI 633	AISI	USA	precipitation hardening
AISI 633	AISI	USA	precipitation hardening
AISI 634	AISI	USA	precipitation hardening

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