20MnCr4-2

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#20MnCr4-2

Description

20MnCr4-2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20MnCr4-2

Category	Type	Steel Grade
Steel Grades	Carbon Steel	20MnCr4-2
		52100
		5195
		K19526
		1070M
		5160
		B20
		20Cr3
		B21
		20Cr4
		B22

Chemical composition(mass fraction)(wt.%) of the 20MnCr4-2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.4	0.65-1.10	0.025	0.015	0.4-0.75
Mo	Al	Cu	Nb	Ti	V	Ce
	0.05	0.3		+
N	O2	Pb	B	Other
	0.002

Mechanical Properties of steel grade 20MnCr4-2

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)
853 (≥)	727 (≥)	21	23	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade 20MnCr4-2

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
41	-	-			0.22	-
413	961	-	31.3	133		-
872	-	31	44.2			133	441

Heat Treatment of steel grade 20MnCr4-2

Heat treated : 1428°C - 1482°C

Technological Curves of steel grade 20MnCr4-2

No Curve

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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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