X53CrMnNiN 21-9

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#X53CrMnNiN # #21-9

Description

X53CrMnNiN 21-9 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: X53CrMnNiN 21-9

Category	Type	Steel Grade
Steel Grades	Stainless Steel	X53CrMnNiN 21-9
		X40MnCr 18
		45SiCr 16-11
		X45SiCr 4
		X45CrSi 9-3
		X40CrSiMo 10-2
		X80CrSiMoW 15-2
		X85CrMoV 18-2
		X60CrMnMoVNbN 21-10
		X33CrNiMnN 23-8
		X53CrMnNiNbN 21-9

Chemical composition(mass fraction)(wt.%) of the X53CrMnNiN 21-9

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.48-0.58	0.25	8.00-10.00	0.045	0.030	20.00-22.00	3.25-4.50	------	N 0.35-0.50

Mechanical Properties of steel grade X53CrMnNiN 21-9

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)
293 (≥)	874 (≥)	31	43	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade X53CrMnNiN 21-9

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	-	-			0.21	-
835	319	-	13.3	141		-
151	-	23	13.2			342	131

Heat Treatment of steel grade X53CrMnNiN 21-9

Heat treated : 1142°C - 1565°C

Technological Curves of steel grade X53CrMnNiN 21-9

No Curve

Cross Reference Table (Equivalent Grade) of X53CrMnNiN 21-9

Grade	Standard	Country	Application
X53CrMnNiNbN21-9	DIN	Germany	Valve steel
X53CrMnNiN21-9	DIN	Germany	Valve steel
X53CrMnNiN21-9	AFNOR	France	Valve Internal Combustion Engines steel (NF-EN 1009-1998)
X53CrMnNiNbN21-9	AFNOR	France	Valve Internal Combustion Engines steel (NF-EN 1009-1998)
ISO X53CrMnNiN21 9			ISO standard valve austenite steel
ISO X53CrMnNiNbN21 9			ISO standard valve austenite steel
EN X53CrMnNiN21-9	EN		Euronorm Stainless Steel
EN X53CrMnNiNbN21-9	EN		Euronorm Stainless Steel
Q195		China	Engineering and welding
Q215		China	Engineering and welding
Q215 B		China	Engineering and welding
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		China	Engineering and welding
Q255 A		China	Engineering and welding
Q255 B		China	Engineering and welding
Q275		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with steel

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