L-251

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#L-251

Description

L-251 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: L-251

Category	Type	Steel Grade
Steel Grades	High Alloy	L-251
		INCONEL alloy WE 132
		INCONEL alloy X-750
		Invar
		Invar FM
		Invarod
		JS 700
		JS 1925 6Mo
		KOTHERM alloy KN
		KOTHERM alloy KP
		KOVAR

Chemical composition(mass fraction)(wt.%) of the L-251

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.4	0.5	1.2			19	10
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
	...		0.03	W 15 Fe 1.0

Mechanical Properties of steel grade L-251

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)
571 (≥)	499 (≥)	23	11	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade L-251

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
23	-	-			0.44	-
295	277	-	23.3	411		-
884	-	31	22.2			324	212

Heat Treatment of steel grade L-251

Heat treated : 1396°C - 1392°C

Technological Curves of steel grade L-251

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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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy