4620

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#4620

Description

4620 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 4620

Category	Type	Steel Grade
Steel Grades	Carbon Steel	4620
		4130
		4140
		4150
		5140
		5150
		6150
		440C
		440C Mod.
		3310
		4320

Chemical composition(mass fraction)(wt.%) of the 4620

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.22	0.15-0.35	0.45-0.65	0.015	0.015	≤0.2	1.65-2.0
Mo	Al	Cu	Nb	Ti	V	Ce
0.2-0.3		≤0.35
N	Co	Pb	B	Other

Mechanical Properties of steel grade 4620

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)
653 (≥)	297 (≥)	32	11	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	314

Physical Properties of steel grade 4620

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
33	-	-			0.22	-
537	545	-	24.3	344		-
522	-	43	14.2			234	232

Heat Treatment of steel grade 4620

Heat treated : 1787°C - 1341°C

Technological Curves of steel grade 4620

No Curve

Cross Reference Table (Equivalent Grade) of 4620

Grade	Standard	Country	Application
ICI 4620	AISI	USA
4620			Australia Structural steel
4620 H			Australia Structural steel
4620		USA	Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
4620		USA	Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures

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