AISI 4027

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#AISI # #4027

Description

AISI 4027 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AISI 4027

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AISI 4027
		SAE 3450
		SAE 4012
		UNS G40120
		AISI 4017
		SAE 4017
		AISI 4023
		SAE 4023
		UNS G40230
		SAE 4024
		UNS G40240

Chemical composition(mass fraction)(wt.%) of the AISI 4027

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25 -0.3	0.15-0.35	0.7-0.9	0.035	0.04
Mo	Al	Cu	Nb	Ti	V	Ce
0.2-0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade AISI 4027

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)
142 (≥)	679 (≥)	32	22	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	311

Physical Properties of steel grade AISI 4027

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
41	-	-			0.23	-
723	333	-	22.3	342		-
495	-	11	31.2			334	341

Heat Treatment of steel grade AISI 4027

Heat treated : 1835°C - 1994°C

Technological Curves of steel grade AISI 4027

No Curve

Cross Reference Table (Equivalent Grade) of AISI 4027

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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