Inconel 718 plate
Gnee Steel
Inconel 718 plate with high strength characteristics
Inconel 718 plate exhibits high strength properties, including excellent tensile, impact, and fracture strength, even at elevated temperatures. It maintains strength and durability across a wide temperature range, from cryogenic to high-temperature applications. This high-temperature alloy is renowned for its exceptional weldability and resistance to corrosion and oxidation, making it suitable for use in harsh environments.
Gnee Steel
What are the strengthening mechanisms of Inconel 718?
Strengthening Mechanism:
Inconel 718 is primarily strengthened by the precipitation of γ″ (Ni₃Nb) and γ′ (Ni₃(Al,Ti)) phases. These fine precipitates hinder dislocation motion, thereby increasing the alloy's hardness and strength.
Inconel 718 Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015max | 0.30 max | – | 50.00 – 55.00 | 17.00 – 21.00 |
Alloy 718 Sheet Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| Inconel 718 | 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45 % |
Key Properties of Inconel 718 Plate:
High Strength: Inconel 718 exhibits exceptional tensile and yield strength, especially at elevated temperatures. This is due to its precipitation hardening mechanism, in which niobium (Nb) forms a strengthening phase (γ″) during heat treatment.
Creep Resistance: The alloy's resistance to creep (deformation under high-temperature stress) is a key advantage, making it suitable for long-term, high-stress applications.
High-Temperature Stability: Inconel 718 maintains its strength and structural integrity at elevated temperatures, making it an ideal choice for gas turbine components and other high-temperature applications.
Corrosion Resistance: It offers excellent resistance to a wide range of corrosive environments, including those found in chemical processing and the marine industry.
Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications, and we can provide customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
