Inconel® X-750 Material Information
Specifications
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 8.28 g/cc | 0.299 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Ultimate | 1120 MPa @ Temp 550°C | 162000 psi @ Temp 1020°F | Precipitation hardened prior to test |
| Tensile Strength, Ultimate | 1250 MPa @ Temp 23°C | 181000 psi @ Temp 73.4°F | Precipitation hardened prior to test |
| Tensile Strength, Yield – Strain 0.200% | 850 MPa | 123000 psi | Precipitation hardened |
| Tensile Strength, Yield – Strain 0.200% | 760 Mpa @ Temp 550°C | 110000 psi @ Temp 1020°F | Precipitation hardened prior to test |
| Elongation at Break | 30% | 30% | Precipitation hardened |
| Elongation at Break | 22% @ Temp 550°C | 22% @ Temp 1020°F | Precipitation hardened prior to test |
| 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 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, Linear | 12.6 μm/m-°C | 7 μin/in-°F | At Temperatures of 20 – 100°C | 68.0 – 212°F |
| Specific Heat Capacity | 0.431 J/g-°C | 0.103 BTU/lb-°F | |
| Thermal Conductivity | 12 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 |
| Elemental 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 % |
NOTE: The information in this data sheet is for design guidance only. Forming methods and specific geometry could affect properties.
Overview
Inconel alloy X-750 is a precipitation-hardenable nickel-chromium alloy used for its corrosion and oxidation resistance and high strength at temperatures to 1300°F. Depending on the application and the properties desired, various heat treatments are employed. Each type of heat treatment puts the product form in the best condition for its intended application. It also has excellent properties down to cryogenic temperatures. Material data provided by Special Metals Corporation.
Applications & Usage
- Retainer Pins
- Extension Springs
- Helicoils
- Gas Turbines
- Pressure Vessels
- Rocket Engines
- Nuclear Reactors
- Aircraft Structures
- Forming Tools
- Hot-air ducting systems
- Machine applications such as heat-treating fixtures, extrusion dies and test machine grips
Industries Using This Material
- Semiconductor
- Machining
- Aerospace