Flanges play a significant role in piping systems, connecting pipes and tubes. They come in different materials and specifications, depending on their application. One of the most sought-after flanges in high-temperature and corrosive environments is Inconel 600 flanges. This alloy is a high-performance nickel-chromium-iron-based material with excellent mechanical and physical properties. In this blog post, we’ll explore the composition, physical properties, mechanical properties, uses, heat treatment options, and corrosion resistance of Inconel 600 flanges.
Inconel 600 Flanges Composition
Alloy 600 Blind Flange is an alloy that primarily consists of nickel (72%), chromium (15.5%), and iron (8%). The remaining 4.5% is a mixture of manganese, silicon, and carbon elements. Combining these elements contributes to the unique properties that make Inconel 600 ideal for high-temperature and corrosive environments.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
Inconel 600 Flanges Physical Properties
UNS N06600 Weld Neck Flange boasts remarkable physical properties, including high thermal conductivity and low electrical resistivity, making it useful in high-temperature applications. The alloy also exhibits excellent thermal expansion characteristics, making it ideal for cryogenic environments. Additionally, Inconel 600 has a high melting point of around 1411°C, making it ideal for use in high-temperature applications such as furnace mufflers and heat exchangers.
Inconel 600 Flanges Mechanical Properties
ANSI B16.5 Alloy 600 Slip On Flanges is a high-strength alloy with excellent mechanical properties. It exhibits high tensile strength, with an ultimate strength of around 590 MPa. This makes Inconel 600 flanges ideal for use in applications that require high strength, such as aerospace and marine industries. The alloy is flexible and can be shaped or bent without cracking or breaking. Its excellent fatigue strength makes it useful in applications that undergo repetitive stress, such as pressure vessels.
| Alloy | Density | Melting Point | Tensile Stress | Yield Strength (0.2%Offset) | Elongation |
| Inconel 600 Flanges | 8.47 g/cm3 | 1413 °C (2580 °F) | Psi – 95,000 , MPa – 655 | Psi – 45,000 , MPa – 310 | 40 % |
Inconel 600 Flanges Equivalents
| GRADE | WERKSTOFF NR. | UNS | JIS | GOST | BS | AFNOR | EN |
| Inconel 600 Flanges | 2.4816 | N06600 | NCF 600 | МНЖМц 28-2,5-1,5 | NA 13 | NC15FE11M | NiCr15Fe |
Inconel 600 Flanges Uses
ASTM B564 Inconel 600 Alloy Pipe Flanges is suitable for various applications that require high strength and corrosion resistance. The alloy is commonly used in furnace components, heat exchangers, and aerospace components. It is also used in chemical processing, nuclear engineering, and pulp and paper production. Alloy 600 Flanges is ideal for use in environments with high temperatures and corrosive chemicals.
Inconel 600 Flanges Heat Treatment
Wnr 2.4816 Slip-on Flange can undergo heat treatment to increase its strength and hardness. The standard heat treatment involves heating the material to 1010°C and quenching in water or oil. This process increases the material’s strength and makes it harder, improving its wear resistance. However, overheating treatment can lead to the formation of brittle phases, which can reduce the material’s flexibility and toughness.
Inconel 600 Flanges Corrosion Resistance
Nickel 600 Forged Flange offers excellent resistance to corrosion in a wide range of environments, including high-purity water and aqueous solutions of salts, acids, and alkalis. The alloy’s chromium content forms an oxide layer that protects the material from corrosion. Additionally, Inconel 600 demonstrates excellent resistance to stress corrosion cracking, making it suitable for highly corrosive environments.
Conclusion:
Inconel 600 flanges are high-performance materials that are ideal for use in high-temperature and corrosive environments. They exhibit remarkable mechanical and physical properties, including high tensile strength, excellent thermal conductivity, and corrosion and stress cracking resistance. The composition of Inconel 600 makes it suitable for various applications, including aerospace components, heat exchangers, and furnace components. With proper heat treatment and maintenance, Inconel 600 flanges can provide reliable performance and longevity even in challenging applications.
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