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Special Metals INCOLOY® Alloy MA 956

Category Metal , Superalloy , Iron Base
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCOLOY®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
An iron-chromium-aluminum alloy that is oxide dispersion strengthened and produced by mechanical alloying. Production involves high-energy milling of metal powders to create an alloy with a strengthening yttrium oxide dispersoid that remains stable to the alloy's melting point. The alloy has exceptional strength and resistance to oxidation, carburization, and hot corrosion at temperatures to over 2000°F (1100°C). Used for gas-turbine combustion chambers, advanced energy-conversion systems, and other applications involving rigorous conditions. Standard product forms are round, flats, extruded section, tube, plate, sheet, and wire.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 7.25 g/cc
0.262 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 650 MPa
94300 psi
Annealed
590 MPa

@Temperature 300 °C
85600 psi

@Temperature 572 °F
Annealed prior to test
Tensile Strength, Yield 550 MPa
79800 psi
Annealed
480 MPa

@Temperature 300 °C
69600 psi

@Temperature 572 °F
Annealed prior to test
Elongation at Break 9.0 %
9.0 %
Annealed prior to test.
9.0 %

@Temperature 300 °C
9.0 %

@Temperature 572 °F
Annealed prior to test.
Thermal Properties Metric English Comments
CTE, linear 11.3 µm/m-°C

@Temperature 20.0 - 100 °C
6.28 µin/in-°F

@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.469 J/g-°C
0.112 BTU/lb-°F
Thermal Conductivity 10.9 W/m-K
75.6 BTU-in/hr-ft²-°F
Melting Point 1311 - 1400 °C
2392 - 2550 °F
Solidus 1311 °C
2392 °F
Liquidus 1400 °C
2550 °F
Component Elements Properties Metric English Comments
Aluminum, Al 4.5 %
4.5 %
Chromium, Cr 20 %
20 %
Iron, Fe 74 %
74 %
Titanium, Ti 0.50 %
0.50 %
Y2O3 0.50 %
0.50 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000131 ohm-cm
0.000131 ohm-cm
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