Here are five questions and answers regarding Lork 72Ni 15.5Cr X750 Consumable Electrode Nickel Alloy Plate (AMS5598G), a corrosion and heat-resistant nickel alloy sheet:
1. What is the composition of Lork 72Ni 15.5Cr X750 (AMS5598G)?
Answer:
Lork 72Ni 15.5Cr X750 is a nickel-chromium-based alloy with excellent resistance to both heat and corrosion. The key composition of this alloy includes:
Nickel (Ni): 70% - 75%
Chromium (Cr): 15.5% - 17%
Iron (Fe): Balance
Molybdenum (Mo): 0.9% max
Titanium (Ti): 1.0% - 1.5%
Aluminum (Al): 0.3% - 0.5%
Cobalt (Co): 1% max
Other elements: Small amounts of carbon (C), silicon (Si), and manganese (Mn).
The combination of nickel and chromium gives Lork 72Ni 15.5Cr X750 its excellent high-temperature strength, oxidation resistance, and good mechanical properties in both extreme heat and corrosive environments.
2. What are the primary applications of Lork 72Ni 15.5Cr X750 (AMS5598G)?
Answer:
Lork 72Ni 15.5Cr X750 (AMS5598G) is primarily used in high-temperature and corrosion-resistant applications. Its properties make it ideal for:
Aerospace components: Especially for turbine blades, vanes, and combustion chambers that must withstand high temperatures and thermal stresses.
Gas turbine engines: For hot sections of gas turbines where components are exposed to extreme conditions.
Power generation: Components in nuclear and fossil fuel power plants.
Chemical processing: Heat exchangers, reactors, and other components that operate in harsh chemical environments.
Welding and overlay coatings: Used as a consumable electrode for welding or as an overlay material in extreme environments.
Its resistance to oxidation, corrosion, and high-temperature creep makes it ideal for critical aerospace and power-generation applications.
3. What are the mechanical properties of Lork 72Ni 15.5Cr X750?
Answer:
Lork 72Ni 15.5Cr X750 exhibits exceptional mechanical properties, particularly at elevated temperatures. Key properties include:
Tensile strength: Approximately 1,300 MPa (190,000 psi) at room temperature.
Yield strength: 950 - 1,100 MPa (138,000 - 160,000 psi) at room temperature.
Elongation: 15% - 20% (depending on the heat treatment).
Hardness: 95 - 105 HRB (Brinell hardness).
Creep resistance: Excellent, with the material capable of withstanding long-term high-temperature exposure (up to 1,000°C or 1,832°F).
These mechanical properties, combined with its excellent oxidation and corrosion resistance, make it suitable for components subject to both thermal and mechanical stresses.
4. How does Lork 72Ni 15.5Cr X750 (AMS5598G) compare to other alloys like Inconel 718 or Haynes 230?
Answer:
Lork 72Ni 15.5Cr X750 vs. Inconel 718:
While both alloys are nickel-based, Inconel 718 (nickel-chromium alloy) offers superior creep resistance and fatigue resistance at very high temperatures, making it suitable for aerospace and turbine engines. However, Lork 72Ni 15.5Cr X750 has slightly better oxidation resistance and is used for applications where both heat and corrosion resistance are critical. Inconel 718 is generally preferred in extremely high-temperature environments, while Lork 72Ni 15.5Cr X750 excels in more aggressive chemical environments and less extreme temperatures.
Lork 72Ni 15.5Cr X750 vs. Haynes 230:
Haynes 230 is a nickel-chromium-tungsten alloy, designed for higher oxidation and corrosion resistance in even more extreme environments (e.g., in gas turbines). It has superior resistance to carburization and oxidation at higher temperatures compared to Lork 72Ni 15.5Cr X750. However, Lork 72Ni 15.5Cr X750 still offers excellent high-temperature mechanical properties and corrosion resistance but is typically more cost-effective for applications requiring good overall performance without the need for the extreme resistance found in Haynes 230.
In summary, Lork 72Ni 15.5Cr X750 offers a balanced combination of strength, heat resistance, and corrosion resistance, making it suitable for a wide range of industrial applications, while Inconel 718 and Haynes 230 are more specialized in extreme environments.
5. What is the price range for Lork 72Ni 15.5Cr X750 (AMS5598G) alloy?
Answer:
The price of Lork 72Ni 15.5Cr X750 (AMS5598G) can vary based on factors such as size, form (plate, sheet, electrode), and market conditions. As of recent data:
Price range: Typically, the price for Lork 72Ni 15.5Cr X750 alloy ranges from $50 to $120 USD per kilogram, depending on the specific form (e.g., plate, bar, electrode) and the quantity ordered.
Prices fluctuate based on raw material costs (particularly nickel, chromium, and molybdenum), demand, and market conditions. For large orders or specialized requirements, it's recommended to contact multiple suppliers to obtain quotes tailored to your needs.
