Incoloy 840 is a nickel-chromium-iron alloy that is commonly used in high-temperature applications such as furnaces and heat-treating equipment. This alloy is known for its excellent resistance to oxidation and high-temperature corrosion, making it ideal for use in harsh environments.
ANTON METAL is a leading supplier of Incoloy 840 products, including pipe, plate, strip, and round bar. The company offers a wide range of sizes and thicknesses to meet the needs of various industries.
Chemical Composition
The chemical composition of Incoloy 840 is as follows:
- Nickel: 38-46%
- Chromium: 18-22%
- Iron: Balance
- Aluminum: 0.3-0.7%
- Titanium: 0.15-0.6%
- Manganese: 1.5% max
- Silicon: 1% max
- Carbon: 0.05% max
- Sulfur: 0.015% max
- Phosphorus: 0.02% max
Process Service
Incoloy 840 is a heat-resistant alloy that can withstand temperatures up to 1000°C (1832°F). It is commonly used in high-temperature applications such as furnace components, heat exchangers, and gas turbine engines. The alloy is also resistant to corrosion by oxidizing and reducing media, making it suitable for use in harsh environments.
Standard
Incoloy 840 is available in various forms, including pipe, plate, strip, and round bar. The standard specifications for these products are as follows:
- Pipe: ASTM B407, ASME SB407
- Plate: ASTM B409, ASME SB409
- Strip: ASTM B424, ASME SB424
- Round Bar: ASTM B408, ASME SB408
Mechanical Properties
The mechanical properties of Incoloy 840 are as follows:
- Tensile Strength: 690 MPa (100 ksi) min
- Yield Strength: 310 MPa (45 ksi) min
- Elongation: 40% min
Application
Incoloy 840 is used in a wide range of industries due to its high-temperature resistance and corrosion resistance. Some of the common applications of Incoloy 840 include:
- Furnace components: Incoloy 840 is commonly used in furnace components such as radiant tubes, muffles, and retorts due to its high-temperature resistance.
- Heat exchangers: The alloy is also used in heat exchangers for oil refining and chemical processing industries due to its excellent corrosion resistance.
- Gas turbine engines: Incoloy 840 is used in gas turbine engines due to its ability to withstand high temperatures and corrosive environments.
Equivalent Grades
Some of the equivalent grades of Incoloy 840 are as follows:
- UNS N08800
- W.Nr. 1.4876
- ASTM B407
- ASME SB407
- ASTM B409
- ASME SB409
- ASTM B424
- ASME SB424
- ASTM B408
- ASME SB408
Conclusion
Incoloy 840 is a high-temperature, corrosion-resistant alloy that is commonly used in harsh environments. It is available in various forms such as pipe, plate, strip, and round bar, and is supplied by reputable companies such as ANTON METAL. With its excellent mechanical properties and application versatility, Incoloy 840 is an essential material for many industries.
Post time: Jun-03-2023
