1.3949

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#1.3949

Description

1.3949 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.3949

Category	Type	Steel Grade
Steel Grades	Alloy Steel	1.3949
		1.3818
		X55MnCrN 18-4
		1.3817
		X40MnCr 18
		1.3819
		X50MnCrV 20-14
		1.3914
		X2CrNiMnMoNNb 21-15-7-3
		1.3941
		X4CrNi 18-13

Chemical composition(mass fraction)(wt.%) of the 1.3949

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
≤0.08	1.00	17.0-19.0	0.060	0.030	12.0-14.0	1.50-3.00	0.20-0.80	Nb ≤ 0.25 N 0.10-0.35

Mechanical Properties of steel grade 1.3949

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)
425 (≥)	613 (≥)	22	24	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical Properties of steel grade 1.3949

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
44	-	-			0.33	-
544	168	-	21.3	143		-
414	-	32	34.2			223	233

Heat Treatment of steel grade 1.3949

Heat treated : 1276°C - 1751°C

Technological Curves of steel grade 1.3949

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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