5140

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#5140

Description

5140 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 5140

Category	Type	Steel Grade
Steel Grades	Carbon Steel	5140
		B43
		43CrMo4
		1030
		1040
		1050
		1541
		1552
		4130
		4140
		4150

Chemical composition(mass fraction)(wt.%) of the 5140

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.43	0.15-0.35	0.7-0.9	0.025	0.015	0.7-0.9
Mo	Al	Cu	Nb	Ti	V	Ce
	0.05	0.3		+
N	O2	Pb	B	Other
	0.002

Mechanical Properties of steel grade 5140

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)
922 (≥)	569 (≥)	43	23	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	131

Physical Properties of steel grade 5140

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	-	-			0.32	-
644	961	-	41.3	431		-
165	-	22	44.2			113	114

Heat Treatment of steel grade 5140

Heat treated : 1693°C - 1679°C

Technological Curves of steel grade 5140

No Curve

Cross Reference Table (Equivalent Grade) of 5140

Grade	Standard	Country	Application
5140			Australia Structural steel

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Rfq.: sales@longhaisteel.com

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