20CrMo4

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#20CrMo4

Description

20CrMo4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20CrMo4

Category	Type	Steel Grade
Steel Grades	Carbon Steel	20CrMo4
		20Cr4
		B22
		20MnCr4-2
		B23
		17MnCr5
		B24
		19MnCr5
		B25
		15CrMo4
		B26

Chemical composition(mass fraction)(wt.%) of the 20CrMo4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.4	0.6-0.9	0.02	0.01	0.9-1.2
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.25	0.05	0.3		+
N	O2	Pb	B	Other
	0.002

Mechanical Properties of steel grade 20CrMo4

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)
842 (≥)	369 (≥)	21	14	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	141

Physical Properties of steel grade 20CrMo4

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
22	-	-			0.22	-
498	239	-	22.3	414		-
733	-	44	32.2			432	142

Heat Treatment of steel grade 20CrMo4

Heat treated : 1745°C - 1959°C

Technological Curves of steel grade 20CrMo4

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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