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Inconel 718
Description
A precipitation-hardening alloy with nickel (50–55%), chromium, niobium, and molybdenum. Inconel 718 offers excellent tensile strength, corrosion resistance, and weldability. Common in aerospace, power generation, and industrial components, especially where post-weld cracking is a concern.
Application：
- Jet engine components
- turbine blades
- Gas turbines
- Drilling tools
- Turbocharger rotors
- Submarine parts
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Product Specification
Mechanical Properties
| Property | Value |
|---|---|
| Ultimate Tensile Strength (UTS) | 1240 MPa |
| Yield Strength | 1030 MPa |
| Elongation | 12% |
| Hardness | 36 HRC |
Chemical Composition
| Item | C | Mn | Fe | P | S | Si | Cu | Ni | Co | Al | Ti | Cr | Nb+Ta | Mo | B |
| Inconel 718 | ≤0.08 | ≤0.35 | rest | – | ≤0.01 | ≤0.35 | ≤0.3 | 50-55 | ≤1 | 0.2-0.8 | – | 17-21 | 4.75-5.5 | 2.8-3.3 | – |
