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Extreme Materials from MCAM
Visit Mitsubishi Chemical Advanced Materials for Extreme Materials - high performance plastic machining stock engineered to replace metals such as nickel alloys or stainless steel.

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
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Physical PropertiesMetricEnglishComments
Density 8.30 g/cc0.300 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 950 MPa138000 psiAnnealed
 730 MPa
@Temperature 550 °C		106000 psi
@Temperature 1020 °F		Annealed prior to test
Tensile Strength, Yield 570 MPa82700 psiAnnealed
 500 MPa
@Temperature 550 °C		72500 psi
@Temperature 1020 °F		Annealed prior to test
Elongation at Break 20 %20 %Annealed prior to test.
 18 %
@Temperature 550 °C		18 %
@Temperature 1020 °F		Annealed prior to test.
Rupture Strength  93.8 MPa
@Temperature 1090 °C,
Time 3.60e+6 sec		13600 psi
@Temperature 2000 °F,
Time 1000 hour
 102 MPa
@Temperature 1090 °C,
Time 360000 sec		14800 psi
@Temperature 2000 °F,
Time 100 hour
 129 MPa
@Temperature 982 °C,
Time 3.60e+6 sec		18700 psi
@Temperature 1800 °F,
Time 1000 hour
 136 MPa
@Temperature 982 °C,
Time 360000 sec		19700 psi
@Temperature 1800 °F,
Time 100 hour
 165 MPa
@Temperature 816 °C,
Time 3.60e+6 sec		24000 psi
@Temperature 1500 °F,
Time 1000 hour
 186 MPa
@Temperature 816 °C,
Time 360000 sec		27000 psi
@Temperature 1500 °F,
Time 100 hour
 256 MPa
@Temperature 649 °C,
Time 3.60e+6 sec		37200 psi
@Temperature 1200 °F,
Time 1000 hour
 284 MPa
@Temperature 649 °C,
Time 360000 sec		41200 psi
@Temperature 1200 °F,
Time 100 hour
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0001075 ohm-cm0.0001075 ohm-cm
Magnetic Permeability 1.0011.001at 200 Oersted (15.9 kA/m)
 
Thermal PropertiesMetricEnglishComments
CTE, linear 12.2 µm/m-°C
@Temperature 20.0 - 100 °C		6.78 µin/in-°F
@Temperature 68.0 - 212 °F
Thermal Conductivity 14.26 W/m-K98.96 BTU-in/hr-ft²-°F
Melting Point 1400 °C2550 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 0.30 %0.30 %
Carbon, C 0.050 %0.050 %
Chromium, Cr 20 %20 %
Iron, Fe 1.0 %1.0 %
Nickel, Ni 78 %78 %
Titanium, Ti 0.50 %0.50 %
Y2O3 0.60 %0.60 %

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