Information Inconel Flanges & all Grades

 High-performance flanges manufactured of nickel-chromium-based superalloys noted for their exceptional resistance to oxidation and corrosion, particularly at elevated temperatures, are called Inconel flanges. Numerous demanding industries, including power generating, chemical processing, and aerospace, use these flanges.

Common Grades of Inconel and Their Properties:

1. Inconel 600 Flanges:

   • Composition: Approximately 72% Nickel, 14-17% Chromium, 6-10% Iron.
   • Properties: Excellent resistance to oxidation and corrosion at high temperatures, good mechanical properties, and good workability.
   • Applications: Furnace components, chemical processing equipment, and nuclear reactors.

2. Inconel 601 Flanges:

   • Composition: Approximately 60-63% Nickel, 21-25% Chromium, 1.0-1.7% Aluminum, balance Iron.
   • Properties: Outstanding oxidation resistance at high temperatures, good carburization resistance, and high mechanical strength.
   • Applications: Industrial furnaces, heat-treating equipment, gas-turbine components.

3. Inconel 625 Flanges:

   • Composition: Approximately 58% Nickel, 20-23% Chromium, 8-10% Molybdenum, 3.15-4.15% Columbium + Tantalum.
   • Properties: Excellent fatigue and thermal-fatigue strength, oxidation resistance, and weldability. Resistant to pitting and crevice corrosion.
   • Applications: Aerospace, marine, chemical processing, and nuclear industries.

4. Inconel 718 Flanges:

   • Composition: Approximately 50-55% Nickel, 17-21% Chromium, 4.75-5.50% Columbium + Tantalum, 2.8-3.3% Molybdenum.
   • Properties: High yield, tensile, and creep-rupture properties, excellent fatigue and corrosion resistance, especially at high temperatures.
   • Applications: Jet engine components, gas turbine parts, nuclear reactors, and cryogenic storage tanks.

5. Inconel 725 Flanges:

   • Composition: Approximately 55-59% Nickel, 19-22.5% Chromium, 7-9.5% Molybdenum, 2.75-4% Columbium + Tantalum.
   • Properties: Superior resistance to corrosion and pitting, high strength, and resistance to stress-corrosion cracking.
   • Applications: Oil and gas drilling equipment, marine applications, and high-strength fasteners.

6. Inconel 750 Flanges:

   • Composition: Approximately 70% Nickel, 14-17% Chromium, 2.25-3% Titanium, 0.40-1% Aluminum.
   • Properties: Good resistance to oxidation and corrosion, high mechanical strength at elevated temperatures.
   • Applications: Gas turbines, heat-treating fixtures, and nuclear reactors.

   Advantages of Inconel Flanges:

7. High-Temperature Stability: Maintains strength and resists oxidation at high temperatures.
8. Corrosion Resistance: Excellent resistance to a wide range of corrosive environments.
9. Durability: High mechanical strength and durability under extreme conditions.
10. Versatility: Suitable for a variety of applications across different industries.

Inconel flanges are essential parts of systems that need to function reliably and well in harsh environments. Their exceptional qualities ensure efficiency and safety, making them perfect for important applications.