X15CrNiSi 25-21

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#X15CrNiSi # #25-21

Description

X15CrNiSi 25-21 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: X15CrNiSi 25-21

Category	Type	Steel Grade
Steel Grades	Stainless Steel	X15CrNiSi 25-21
		X15CrNiSi 20-12
		1.4720
		1.4724
		1.4749
		1.4742
		1.4762
		1.4821
		1.4828
		X12CrNi 23-13
		X7CrNi 23-14

Chemical composition(mass fraction)(wt.%) of the X15CrNiSi 25-21

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Other
≤0.20	1.50-2.50	2.00	0.040	0.015	24.0-26.0	19.0-22.0	N ≤0.11

Mechanical Properties of steel grade X15CrNiSi 25-21

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)
769 (≥)	645 (≥)	21	23	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	431

Physical Properties of steel grade X15CrNiSi 25-21

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
42	-	-			0.32	-
813	633	-	21.3	331		-
364	-	12	13.2			324	434

Heat Treatment of steel grade X15CrNiSi 25-21

Heat treated : 1497°C - 1284°C

Technological Curves of steel grade X15CrNiSi 25-21

No Curve

Cross Reference Table (Equivalent Grade) of X15CrNiSi 25-21

Grade	Standard	Country	Application
X15CrNiSi25-20	AFNOR	France	Carbide for cutting tools
X15CrNiSi25-20	AFNOR	France	Carbide for cutting tools
X15CrNiSi20-12		Germany	Stainless steel
X15CrNiSi25-21(20)	DIN	Germany	Stainless steel
ISO X15CrNiSi20 12			ISO standard Austenite size heat resistant steel
ISO X15CrNiSi25 21			ISO standard Austenite size heat resistant steel
EN X15CrNiSi20-12	EN		Euronorm Stainless Steel
EN X15CrNiSi254	EN		Euronorm Stainless Steel
EN X15CrNiSi25-21	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

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