K92890

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#C250 #K92890

Description

USA UNS K92890 Superalloys Structural and constructional steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: K92890

Category	Class	Grade	Type	Standard	Country	Application
Steel Grades	Superalloys	K92890	Martensite	UNS	USA	Structural and constructional steels

Chemical composition(mass fraction)(wt.%) of the K92890

C	Ni	Co	Mn	Si	Al	Mo	S	P	Ti	Fe	Cr	Cu
≤0.03	17.00 -19.00	7.00 -8.50	≤0.10	≤0.10	0.05 -0.15	4.60 -5.20	≤0.010	≤0.010	0.30 -0.50	≤Bal	≤0.50	≤0.50

Mechanical Properties of steel grade K92890

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)
943 (≥)	736 (≥)	14	43	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	334

Physical Properties of steel grade K92890

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	-	-			0.34	-
177	491	-	42.3	314		-
497	-	44	43.2			221	423

Heat Treatment of steel grade K92890

Heat treated : 1279°C - 1431°C

Technological Curves of steel grade K92890

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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