AISI A4125

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#AISI # #A4125

Description

AISI A4125 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AISI A4125

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AISI A4125
		AISI 4118
		UNS G41180
		AISI A4119
		SAE 4119
		AISI 4120
		SAE 4120
		UNS G41200
		AISI 4121
		SAE 4121
		UNS G41210

Chemical composition(mass fraction)(wt.%) of the AISI A4125

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.23-0.28	0.2-0.35	0.7-0.9	0.04	0.04	0.4-0.6
Mo	Al	Cu	Nb	Ti	V	Ce
0.2-0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade AISI A4125

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)
567 (≥)	617 (≥)	31	23	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade AISI A4125

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	-	-			0.34	-
696	663	-	32.3	322		-
624	-	13	21.2			212	343

Heat Treatment of steel grade AISI A4125

Heat treated : 1738°C - 1138°C

Technological Curves of steel grade AISI A4125

No Curve

Cross Reference Table (Equivalent Grade) of AISI A4125

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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