1.4440

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#1.4440

Description

1.4440 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4440

Category	Type	Steel Grade
Steel Grades	Mould Steel	1.4440
		X2CrNi24-12
		1.4115
		1.4332
		X10CrNi30-9
		1.4337
		X3CrNi13-4
		1.4351
		X15CrNiMo18-8
		1.4370
		X2CrNiMo18-16-5

Chemical composition(mass fraction)(wt.%) of the 1.4440

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.035					18.5	17.5
Mo	Al	Cu	Nb	Ti	V	Ce
4.5
N	Co	Pb	B	Other	AWS(A5.9)
					≈ER317(L)

Mechanical Properties of steel grade 1.4440

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)
937 (≥)	439 (≥)	43	43	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	332

Physical Properties of steel grade 1.4440

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
12	-	-			0.22	-
718	758	-	14.3	121		-
542	-	31	34.2			323	222

Heat Treatment of steel grade 1.4440

Heat treated : 1231°C - 1125°C

Technological Curves of steel grade 1.4440

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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