440-XH

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#440-XH

Description

440-XH High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 440-XH

Category	Type	Steel Grade
Steel Grades	High Alloy	440-XH
		418
		419
		422
		422M(C)
		422M
		430F Solenoid
		430FR Solenoid
		439 HP-10
		439LT
		439 UF

Chemical composition(mass fraction)(wt.%) of the 440-XH

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
1.60	0.040	0.50			16.0	0.35
Mo	Al	Cu	Nb	Ti	V	Ce
0.80					0.45
N	Co	Pb	B	Other

Mechanical Properties of steel grade 440-XH

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)
152 (≥)	258 (≥)	31	12	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade 440-XH

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
32	-	-			0.11	-
822	567	-	32.3	332		-
358	-	22	13.2			123	421

Heat Treatment of steel grade 440-XH

Heat treated : 1813°C - 1467°C

Technological Curves of steel grade 440-XH

No Curve

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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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