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Special Metals INCONEL® Alloy X-750

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCONEL®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCONEL® Alloy X-750.pdf
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Material Notes:
A nickel-chromium alloy similar to INCONEL alloy 600 but made precipitation hardenable by additions of aluminum and titanium. The alloy has good resistance to corrosion and oxidation along with high tensile and creep-rupture properties at temperatures to about 1300°F (700°C). Its excellent relaxation resistance is useful for high-temperature springs and bolts. Used in gas turbines, rocket engines, nuclear reactors, pressure vessels, tooling, and aircraft structures. Standard product forms are round, flats, extruded section, forging stock, plate, sheet, strip, pipe, tube, and wire.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 8.28 g/cc
0.299 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 1120 MPa

@Temperature 550 °C
162000 psi

@Temperature 1020 °F
Precipitation Hardened prior to test
1250 MPa

@Temperature 23.0 °C
181000 psi

@Temperature 73.4 °F
Tensile Strength, Yield 850 MPa

@Strain 0.200 %
123000 psi

@Strain 0.200 %
Precipitation Hardened. Value at room temperature
760 MPa

@Strain 0.200 %,
Temperature 550 °C
110000 psi

@Strain 0.200 %,
Temperature 1020 °F
Precipitation Hardened prior to test
Elongation at Break 30 %
30 %
Precipitation Hardened
22 %

@Temperature 550 °C
22 %

@Temperature 1020 °F
Precipitation Hardened prior to test.
Thermal Properties Metric English Comments
CTE, linear 12.6 µm/m-°C

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

@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.431 J/g-°C
0.103 BTU/lb-°F
Thermal Conductivity 12.0 W/m-K
83.3 BTU-in/hr-ft²-°F
Melting Point 1390 - 1430 °C
2530 - 2610 °F
Solidus 1390 °C
2530 °F
Liquidus 1430 °C
2610 °F
Component Elements Properties Metric English Comments
Aluminum, Al 0.40 - 1.0 %
0.40 - 1.0 %
Carbon, C <= 0.080 %
<= 0.080 %
Chromium, Cr 14 - 17 %
14 - 17 %
Cobalt, Co <= 1.0 %
<= 1.0 %
Copper, Cu <= 0.50 %
<= 0.50 %
Iron, Fe 5.0 - 9.0 %
5.0 - 9.0 %
Manganese, Mn <= 1.0 %
<= 1.0 %
Nickel, Ni >= 70 %
>= 70 %
Including Cobalt
Niobium, Nb (Columbium, Cb) 0.70 - 1.2 %
0.70 - 1.2 %
Includes Ta
Silicon, Si <= 0.50 %
<= 0.50 %
Sulfur, S <= 0.010 %
<= 0.010 %
Titanium, Ti 2.25 - 2.75 %
2.25 - 2.75 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000122 ohm-cm
0.000122 ohm-cm
Magnetic Permeability 1.0035
1.0035
at 200 oersted (15.9 kA/m)
Curie Temperature -125 °C
-193 °F
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