In718 is a high-strength nickel-based superalloy known for its exceptional mechanical properties and high-temperature performance. It is composed primarily of nickel, with significant amounts of chromium, iron, and other alloying elements.
This material exhibits excellent strength and creep resistance at elevated temperatures, making it suitable for applications in aerospace, gas turbines, power generation, automotive, and other high-performance industries. It maintains its mechanical properties even under demanding conditions, including high temperatures, corrosive environments, and high-stress applications.
In718 is extensively used in the aerospace industry for critical components such as turbine blades, engine casings, discs, and structural parts. Its high strength, corrosion resistance, and ability to withstand high temperatures make it suitable for demanding aerospace applications.
In718 is employed in gas turbines and power generation systems due to its exceptional strength, creep resistance, and resistance to oxidation and corrosion at elevated temperatures. It is used for components such as turbine rotors, seals, and combustion chambers.
In718 is utilized in the automotive and racing sectors for applications that require high-performance and lightweight components. It is used in exhaust systems, turbocharger components, and high-stress engine parts, where its high temperature and mechanical properties are advantageous.
In718 finds application in the oil and gas industry for components in harsh and corrosive environments. It is used for downhole tools, valves, and wellhead equipment, where resistance to sulfide stress cracking, corrosion, and high-pressure conditions is crucial.
In718 is suitable for chemical processing applications that involve exposure to corrosive environments and high temperatures. It is used for equipment such as reactors, heat exchangers, and valves in chemical plants and refineries.
In718 is used in the medical field for manufacturing implants and medical devices. Its biocompatibility, corrosion resistance, and high strength make it suitable for applications such as orthopedic implants, dental implants, and surgical instruments.
In718 is widely used in additive manufacturing processes like Selective Laser Melting (SLM) or Direct Metal Laser Sintering (DMLS). It allows for the production of complex and customized components with high strength and excellent mechanical properties.
| Property | Value |
|---|---|
| Tensile Strength | 1034-1379 MPa |
| Yield Strength | 758-1213 MPa |
| Elongation | 12-30% |
| Hardness | 30-45 HRC |
| Density | 8.19 g/cm³ |
| Melting Range | 1260-1340°C (2300-2440°F) |
| Thermal Conductivity | 6.23 W/m·K |
| Coefficient of Thermal Expansion | 13.0 µm/m·K |
| Specific Heat Capacity | 426 J/kg·K |
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