12Cr

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#12Cr

Description

12Cr Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 12Cr

Category	Type	Steel Grade
Steel Grades	Carbon Steel	12Cr
		29Cr-9Ni
		ASTM CA-15
		12Cr
		ASTM CA-15M
		12Cr
		ASTM CB-30
		20Cr
		ASTM CC-50
		28Cr
		ASTM CA-40

Chemical composition(mass fraction)(wt.%) of the 12Cr

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.2-0.4	1.5	1.0	0.04	0.04	11.5-14.0	≤1.0
Mo	Al	Cu	Nb	Ti	V	Se
≤0.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade 12Cr

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)
393 (≥)	222 (≥)	14	33	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	332

Physical Properties of steel grade 12Cr

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
31	-	-			0.14	-
415	122	-	31.3	113		-
434	-	24	13.2			432	444

Heat Treatment of steel grade 12Cr

Heat treated : 1218°C - 1844°C

Technological Curves of steel grade 12Cr

No Curve

Cross Reference Table (Equivalent Grade) of 12Cr

Grade	Standard	Country	Application
W12Cr4V5Co5		China	High-speed tool steel
X12CrNi23-13/X7CrNi23-14	DIN	Germany	Stainless steel
X12CrNiSi35(36)-16	DIN	Germany	Stainless steel
X8CrNiTi18-10/X12CrNiTi18-9	DIN	Germany	Stainless steel
X12CrNiMoNb20-15	DIN	Germany	Stainless steel
X12CrNiMoV12-3/X11CrNiMoN12	DIN	Germany	The high-temperature and high-strength steel
X12CrNiWTi16-13	DIN	Germany	Valve steel
X12CrCoNi21-20	DIN	Germany	The high-temperature and high-strength steel
X12Cr13	AFNOR	France	Martensite And Precipitation Hardening
X12CrMnNiN17-7-5	AFNOR	France	Austenite
X12CrMnNiN18-9-5	AFNOR	France	Austenite
X12CrNiMoV12-3	AFNOR	France	Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
12Cr	ASTM	USA
12Cr	AISI	USA
12Cr-4Ni	AISI	USA
12Cr+Ni+Mo+W		China
12Cr-60Ni	AISI	USA
GS-12CrMo19 5	DIN	Germany
GS-12CrMo9 10		China
ISO X12CrMnNiN17-7-5			ISO standard thermal deformation of stainless steel

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