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Inconel 625 is a high-performance nickel-chromium-molybdenum alloy known for its exceptional corrosion resistance, high strength, and excellent fabricability. Inconel 625 flanges, manufactured from this alloy, play a crucial role in various industries where resistance to aggressive environments and elevated temperatures is essential. This article delves into the properties of Inconel 625 Flanges, its applications, and the manufacturing process of Inconel 625 flanges.

Chemical Composition of Inconel 625 Flanges:

Explore the Chemical Composition table for precise insights into the elemental composition defining Inconel 625 Flanges.

GradeCSiMnPSCrMoNbCoAlTiFeNi
Inconel 625

≦0.10

≦0.50

≦0.50

≦0.015

≦0.015

20.00-30.00

8.00-10.00

3.15-4.15

≦0.10

≦0.40

≦0.40

≦5.00

Bal

 

The Chemical Composition table reveals Inconel 625 Flanges' elemental blend, ensuring corrosion resistance and superior performance.

Properties of Inconel 625 Flanges:

  1. Corrosion Resistance: Inconel 625 Flanges exhibit outstanding resistance to corrosion in both oxidizing and reducing environments. This makes it suitable for applications involving acids, alkaline solutions, and saltwater. The alloy's resistance to pitting and crevice corrosion is particularly noteworthy, making it an ideal choice for flanges in harsh chemical environments.
  2. High Temperature Strength: With a melting point of around 1350°C (2462°F), Inconel 625 Flanges retains its strength at elevated temperatures. This property is crucial for applications in industries such as aerospace, chemical processing, and power generation, where components are exposed to high temperatures and thermal cycling.
  3. Mechanical Properties: Inconel 625 Flanges offers excellent tensile and fatigue strength, making it suitable for high-stress applications. Its high strength and toughness make it resilient in challenging operating conditions.
  4. Fabricability: The alloy is highly weldable and easily formed, machined, and fabricated. This fabricability allows manufacturers to produce complex shapes, including various flanges, with relative ease.
  5. Chemical Composition: The composition of Inconel 625 Flanges includes nickel, chromium, molybdenum, and niobium, among other elements. This combination gives the alloy unique properties, making it a preferred material for demanding applications.

Mechanical Properties of Inconel 625 Flanges:

Explore the Mechanical Properties table for comprehensive insights into the strength and durability of Inconel 625 Flanges.

Grade

TENSILE STRENGTH

MPa

YIELD STRENGTH

Rp0.2, MPa

ELONGATION

A50mm, %

Inconel 625

≧827

≧414

≧30

The Mechanical Properties table underscores Inconel 625 Flanges' robust strength and durability for diverse applications.

Applications of Inconel 625 Flanges:

  1. Chemical Processing Industry: Inconel 625 flanges are extensively used in chemical processing plants where exposure to corrosive chemicals is a constant challenge. Their resistance to a wide range of corrosive substances makes them ideal for connecting pipes and vessels in this industry.
  2. Aerospace Industry: The aerospace sector relies on Inconel 625 flanges due to the alloy's ability to withstand high temperatures and harsh environmental conditions. These flanges are used in critical components such as exhaust, turbine engine parts, and thrust reverser systems.
  3. Oil and Gas Sector: Inconel 625 flanges are widely employed in the oil and gas industry and are exposed to corrosive environments and high-pressure conditions. They are used in various applications, including pipeline connections, wellhead equipment, and offshore platforms.
  4. Power Generation: In power generation facilities, particularly in nuclear and geothermal plants, Inconel 625 flanges play a vital role. Their resistance to corrosion and ability to withstand high temperatures make them suitable for connecting components in steam generation and distribution systems.

Physical Properties of Inconel 625 Flanges:

Dive into the Physical Properties table to gain a comprehensive understanding of Inconel 625 Flanges' unique characteristics.

ElementDensityMelting PointTensile StrengthYield Strength(0.2%Offset)Elongation
Inconel 6258.4 g/cm31350 °C (2460 °F)Psi – 135,000 , MPa – 930Psi – 75,000 , MPa – 51742.5 %

 

The Physical Properties table highlights Inconel 625 Flanges' distinctive attributes crucial for diverse industrial applications.

Manufacturing Process of Inconel 625 Flanges:

  1. Raw Material Selection: The manufacturing process begins with selecting high-quality Inconel 625 Flanges, ensuring it meets the required specifications and standards.
  2. Forming and Machining: Inconel 625 Flanges can be easily formed into various shapes. The raw material is subjected to forging, machining, or casting processes to achieve the desired flange shape.
  3. Heat Treatment: Heat treatment is often employed to enhance the mechanical properties of the flanges. This process involves heating the material to a specific temperature and then cooling it at a controlled rate.
  4. Welding: Inconel 625 flanges are often joined to pipes or other components through welding. The alloy's excellent weldability ensures strong and durable connections.
  5. Surface Finish: The final step involves surface finishing to meet specific requirements. This may include processes like polishing or coating to enhance corrosion resistance.

Inconel 625 flanges are indispensable in industries requiring high corrosion resistance and strength at elevated temperatures. Their versatility and the alloy's remarkable properties make them a reliable choice for critical applications in diverse sectors.

FAQ's for Inconel 625 Flanges

It Varies, But Generally, It Is Around INR 250/Kg To INR 300/Kg.

The Harmonized System Nomenclature (HSN) code for Inconel 625 Flanges is 73259990.

No, Inconel 625 Flanges are non-magnetic due to their low nickel content.

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