Special Metals INCONEL® Alloy MA 754

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Special Metals INCONEL® Alloy MA 754
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	A mechanically alloyed nickel-chromium alloy with oxide dispersion strengthening. Mechanical alloying, which involves high-energy milling of metal powders, is used to create a uniformly distributed, fine dispersoid of yttrium oxide in the alloy. The dispersoid, which is stable to the alloy's melting point, imparts exceptional high-temperature strength and creep resistance. The alloy's strength, corrosion resistance, and microstructural stability make it useful for gas-turbine vanes and other extreme-service applications. Standard product forms are round, flats, extruded section, plate, and wire. Data provided by the manufacturer, Special Metals.
Key Words:	Nickel-Chromium Alloy; UNS N07754
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	8.30 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	950 MPa	Annealed
	730 MPa @Temperature 550 °C	Annealed prior to test
Tensile Strength, Yield	570 MPa	Annealed
	500 MPa @Temperature 550 °C	Annealed prior to test
Elongation at Break	20 %	Annealed prior to test.
	18 % @Temperature 550 °C	Annealed prior to test.
Rupture Strength	13600 psi @Temperature 1090 °C, Time 3.60e+6 sec
	14800 psi @Temperature 1090 °C, Time 360000 sec
	18700 psi @Temperature 982 °C, Time 3.60e+6 sec
	19700 psi @Temperature 982 °C, Time 360000 sec
	24000 psi @Temperature 816 °C, Time 3.60e+6 sec
	27000 psi @Temperature 816 °C, Time 360000 sec
	37200 psi @Temperature 649 °C, Time 3.60e+6 sec
	41200 psi @Temperature 649 °C, Time 360000 sec

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0001075 ohm-cm
Magnetic Permeability	1.001	at 200 Oersted (15.9 kA/m)

Thermal Properties	Original Value	Comments
CTE, linear	12.2 µm/m-°C @Temperature 20.0 - 100 °C
Thermal Conductivity	14.26 W/m-K
Melting Point	1400 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.30 %
Carbon, C	0.050 %
Chromium, Cr	20 %
Iron, Fe	1.0 %
Nickel, Ni	78 %
Titanium, Ti	0.50 %
Y2O3	0.60 %

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NINC37 / 17406

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