Inconel 690: High-Temperature Nickel-Chromium Alloy With Excellent Oxidation And Corrosion Resistance

Inconel 690 Alloy

Inconel 690 is a high-performance nickel-chromium alloy specifically designed for superior resistance to oxidation and carburization in extreme environments. It is renowned for its strength and stability at elevated temperatures, making it suitable for demanding applications.

Key Features:

• Exceptional Corrosion Resistance: Provides excellent protection against oxidation, carburization, and sulfidation, particularly in high-temperature settings.
• High Temperature Stability: Maintains mechanical strength and integrity at temperatures up to 1200°C (2192°F), making it ideal for use in high-heat applications.
• Mechanical Properties: Offers high tensile strength (up to 690 MPa or 100 ksi) and good yield strength (310 MPa or 45 ksi), with a minimum elongation of 30%, ensuring durability and flexibility.
• Thermal Conductivity: Features a thermal conductivity of about 11.0 W/m·K, which aids in effective heat distribution and resistance to thermal cycling.
• Fabrication Versatility: Available in various forms including sheets, plates, bars, pipes, and welding wire, suitable for a wide range of industrial applications.

Applications:

• Nuclear Reactors: Used in components that operate under high temperatures and aggressive conditions.
• Chemical Processing: Ideal for equipment and components exposed to harsh chemicals and high temperatures.
• High-Temperature Furnaces: Suitable for parts in furnace environments where resistance to thermal degradation is critical.

Standard Specifications:

• ASTM B166
• ASTM B167
• ASTM B168

Inconel 690 combines high strength, excellent oxidation resistance, and thermal stability, making it a preferred choice for critical applications in extreme environments.

Here is a detailed composition table for Inconel 690 Alloy:

This composition ensures that Inconel 690 provides high resistance to oxidation, carburization, and high-temperature degradation, making it suitable for various demanding applications.

• Stainless Steel Series304,304L,321,316L,317L,309s,310s,904L,410,420,430,441,409,436,441,439,630 etc.
• Duplex stainless steel series 2205,2507  etc.
• Hastelloy C-276, B-2, C-2000, etc.
• Nickel-based alloy series Inconel625,718,Incoloy825,800H,Monel400, etc.
• High temperature alloy series GH4169, GH3625, GH3030, GH3044, GH2747, GH3128, GH4145, GH230, GH163, etc.
• Soft magnetic alloy series 1J85, 4J36, 4J29, 4J33, 1J50, 1J22, 1J85, etc.
• Copper-nickel alloy series NCu40-2-1 plates, tubes, bars, profiles and forgings.

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