21Cr-25Ni+Mo

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#21Cr-25Ni+Mo

Description

21Cr-25Ni+Mo Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 21Cr-25Ni+Mo

Category	Type	Steel Grade
Steel Grades	Carbon Steel	21Cr-25Ni+Mo
		19Cr-10Ni+Mo
		ASTM CF-3MN
		19Cr-10Ni+Mo+N
		ASTM CG-6MMnN
		19Cr-10Ni+Mo+N
		ASTM CG-3M
		19Cr-11Ni+Mo
		ASTM CG-8M
		19Cr-11Ni+Mo
		ASTM CN-3M

Chemical composition(mass fraction)(wt.%) of the 21Cr-25Ni+Mo

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.03	1.0	2.0	0.03	0.03	20.0-22.0	23.0-27.0
Mo	Al	Cu	Nb	Ti	V	Ce
4.5-5.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade 21Cr-25Ni+Mo

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)
584 (≥)	261 (≥)	33	13	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	241

Physical Properties of steel grade 21Cr-25Ni+Mo

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
44	-	-			0.11	-
996	377	-	22.3	423		-
691	-	21	22.2			124	121

Heat Treatment of steel grade 21Cr-25Ni+Mo

Heat treated : 1183°C - 1983°C

Technological Curves of steel grade 21Cr-25Ni+Mo

No Curve

Cross Reference Table (Equivalent Grade) of 21Cr-25Ni+Mo

Grade	Standard	Country	Application
21Cr-25Ni+Mo	AISI	USA

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