1.4940

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#1.4940

Description

1.4940 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.4940

Category	Type	Steel Grade
Steel Grades	Alloy Steel	1.4940
		X7CrNiTi 18-10
		X8CrNiAlTi 32-21
		X10CrNiMoMnNbVB 15-10-1
		X2CrNiCu19-10
		X3CrNiMo 18-12-3
		1.4024
		1.4057
		1.4558
		1.4918
		1.4912

Chemical composition(mass fraction)(wt.%) of the 1.4940

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.04-0.08	1.00	1.00	0.040	0.015	17.0-19.0	9.00-13.0	-----------	Ti 5*(C+N)~0.80 N ≤ 0.11

Mechanical Properties of steel grade 1.4940

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)
733 (≥)	425 (≥)	31	41	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	331

Physical Properties of steel grade 1.4940

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
21	-	-			0.43	-
464	584	-	14.3	213		-
961	-	34	12.2			211	122

Heat Treatment of steel grade 1.4940

Heat treated : 1224°C - 1794°C

Technological Curves of steel grade 1.4940

No Curve

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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