Incoloy 800H Buttweld Fittings
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Incoloy 800HT buttweld fittings are components used in piping systems for joining sections of pipes together. These fittings are designed to allow changes in direction, branch off sections, and connect various pipes while maintaining a leak-free and sturdy connection. The "buttweld" aspect refers to the welding method used to join the fittings to the pipes.
ASTM B366 Incoloy 800/800H/800HT Buttweld Fittings Specifications
| Specifications | ASTM B366 / ASME SB366 |
|---|---|
| Size | Seamless Butt Weld Fittings: 1/2″ – 10″, Welded Butt Weld Fittings: 1/2″ – 48″ |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Grades | Incoloy 800 – UNS N08800, Incoloy 800H / HT – UNS N08810 |
| Schedule | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS, Custom Thickness |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | 20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc. |
| B366 Incoloy 800/800H/800HT Seamless Fittings | 1/2″ – 10″ |
| B366 Incoloy 800/800H/800HT Welded Fittings | 1/2″ – 48″ |
Features and properties of Incoloy 800HT buttweld fittings include:
High Temperature Resistance: Incoloy 800HT can withstand high temperatures and thermal cycling without significant degradation. This makes it suitable for applications in furnace components, petrochemical processing, and power generation.
Corrosion Resistance: The alloy's resistance to corrosion is outstanding in both oxidizing and reducing environments. This property is particularly important in industries involving sulfur-containing atmospheres.
Oxidation Resistance: Incoloy 800HT forms a protective oxide layer at high temperatures, which helps prevent surface degradation due to oxidation.
Creep and Rupture Strength: The alloy's creep and rupture strength make it suitable for applications where it's exposed to prolonged stress at high temperatures.
Pressure Resistance: Incoloy 800HT fittings maintain their integrity even under high-pressure conditions, making them suitable for applications in pressurized systems.
Weldability: Incoloy 800HT can be readily welded using various methods, including the buttweld technique. This ensures ease of fabrication and installation in piping systems.
Chemical Composition: Incoloy 800HT typically consists of nickel, iron, chromium, and small amounts of other elements like aluminum and titanium.
Applications: Incoloy 800HT buttweld fittings find applications in industries such as chemical processing, nuclear power plants, heat treating equipment, and various high-temperature environments where corrosion resistance and mechanical strength are critical.
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