1.4731

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#1.4731

Description

1.4731 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 1.4731

Category	Type	Steel Grade
Steel Grades	Stainless Steel	1.4731
		X55CrMnNiN 20-8
		X70CrMnNiN 21-6
		X50CrMnNiNbN 21-9
		NiFe25Cr20NbTi
		65Si7
		37MnSi5
		1.2731
		1.3817
		1.4704
		1.4718

Chemical composition(mass fraction)(wt.%) of the 1.4731

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.35-0.45	2.00-3.00	0.80	0.040	0.030	9.50-11.50	----------	0.80-1.30	---------------

Mechanical Properties of steel grade 1.4731

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)
523 (≥)	757 (≥)	42	11	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	132

Physical Properties of steel grade 1.4731

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
23	-	-			0.22	-
379	868	-	43.3	242		-
798	-	41	31.2			224	413

Heat Treatment of steel grade 1.4731

Heat treated : 1479°C - 1794°C

Technological Curves of steel grade 1.4731

No Curve

Cross Reference Table (Equivalent Grade) of 1.4731

Grade	Standard	Country	Application
1.4731	DIN	Germany	Valve steel
1.4731	AFNOR	France	Valve Internal Combustion Engines steel (NF-EN 1009-1998)

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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