744X

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#744X

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744X High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 744X

Category	Type	Steel Grade
Steel Grades	High Alloy	744X
		422
		422M(C)
		422M
		430F Solenoid
		430FR Solenoid
		439 HP-10
		439LT
		439 UF
		440-XH
		654-SMO

Chemical composition(mass fraction)(wt.%) of the 744X

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.05	0.60	1.00			25.0-27.0
Mo	Al	Cu	Nb	Ti	V	Ce
		≤0.25		≤
N	Co	Pb	B	Other

Mechanical Properties of steel grade 744X

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)
466 (≥)	529 (≥)	11	13	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade 744X

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
43	-	-			0.42	-
448	233	-	23.3	321		-
353	-	14	32.2			143	414

Heat Treatment of steel grade 744X

Heat treated : 1974°C - 1247°C

Technological Curves of steel grade 744X

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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Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy