20Cr

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#20Cr

Description

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

Datasheet for: Steel Grades:Carbon Steel: 20Cr

Category	Type	Steel Grade
Steel Grades	Carbon Steel	20Cr
		25Cr-12Ni
		ASTM CK-20
		25Cr-20Ni
		ASTM CE-30
		29Cr-9Ni
		ASTM CA-15
		12Cr
		ASTM CA-15M
		12Cr
		ASTM CB-30

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.3	1.5	1.0	0.04	0.04	18.0-21.0	≤2.0
Mo	Al	Cu	Nb	Ti	V	Se
		0.9-1.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade 20Cr

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)
189 (≥)	296 (≥)	41	43	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade 20Cr

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
14	-	-			0.23	-
744	746	-	21.3	223		-
592	-	14	12.2			321	322

Heat Treatment of steel grade 20Cr

Heat treated : 1838°C - 1125°C

Technological Curves of steel grade 20Cr

No Curve

Cross Reference Table (Equivalent Grade) of 20Cr

Grade	Standard	Country	Application
X220CrVMo12-2	DIN	Germany	Cold working alloy tool steel
X20CrMo13	DIN	Germany	Hot working alloy tool steel
X20Cr13	AFNOR	France	Carbide for cutting tools
X20Cr13	AFNOR	France	Carbide for cutting tools
X20Cr13	AFNOR	France	Carbide for cutting tools
X20Cr13	AFNOR	France	Carbide for cutting tools
X20CrMoWV12-1	DIN	Germany	The high-temperature and high-strength steel
X20Cr13(AFNOR)	AFNOR	France	Martensite And Precipitation Hardening
20CrMnVTiB4-10	AFNOR	France	Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
20Cr	ASTM	USA
20Cr-29Ni+Mo+Cu	AISI	USA
20Cr-18Ni+Mo+Cu	AISI	USA
20Cr-29Ni+Mo+Cu	AISI	USA
20Cr-18Ni+Mo+Cu	AISI	USA
20Cr-25Ni	AISI	USA
ISO X20Cr13			ISO standard thermal deformation of stainless steel
ISO X20CrMoNiNbV11 1			High temperature bainite and martensite steel ISO standard internal combustion engine
20Cr25Ni20		China	Stainless steel bars
20Cr13Mn9Ni4		China	Stainless steel bars
20Cr15Mn15Ni2N		China	Stainless steel bars

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