19Cr-39Ni

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#19Cr-39Ni

Description

19Cr-39Ni Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 19Cr-39Ni

Category	Type	Steel Grade
Steel Grades	Carbon Steel	19Cr-39Ni
		UNS J94224
		25Cr-20Ni+
		ASTM HE
		UNS J93403
		29Cr-9Ni+
		ASTM HT
		UNS J94605
		17Cr-35Ni
		ASTM HU
		UNS J95405

Chemical composition(mass fraction)(wt.%) of the 19Cr-39Ni

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.35-0.75	2.50	2.0	0.04	0.04	17.0-21.0	37.0-41.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade 19Cr-39Ni

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)
671 (≥)	337 (≥)	43	22	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade 19Cr-39Ni

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
24	-	-			0.21	-
714	325	-	23.3	411		-
541	-	32	22.2			114	243

Heat Treatment of steel grade 19Cr-39Ni

Heat treated : 1973°C - 1615°C

Technological Curves of steel grade 19Cr-39Ni

No Curve

Cross Reference Table (Equivalent Grade) of 19Cr-39Ni

Grade	Standard	Country	Application
19Cr-39Ni	AISI	USA

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