AISI 4131

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#AISI # #4131

Description

AISI 4131 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: AISI 4131

Category	Type	Steel Grade
Steel Grades	Stainless Steel	AISI 4131
		S46910
		651
		S63198
		662
		S66220
		660
		S66296
		665
		S66545
		AISI TS4130

Chemical composition(mass fraction)(wt.%) of the AISI 4131

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.28-0.33	0.15-0.35	0.5-0.7	0.035	0.04	0.9-1.2
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.25
N	Co	Pb	B	Other

Mechanical Properties of steel grade AISI 4131

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)
421 (≥)	695 (≥)	11	14	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	424

Physical Properties of steel grade AISI 4131

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
11	-	-			0.34	-
176	561	-	22.3	441		-
631	-	22	43.2			233	131

Heat Treatment of steel grade AISI 4131

Heat treated : 1581°C - 1851°C

Technological Curves of steel grade AISI 4131

No Curve

Cross Reference Table (Equivalent Grade) of AISI 4131

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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