U Bend Return , ASTM B366 Incoloy 800H 180 Deg. Elbow, Heat Exchanger
U Bend Return , ASTM B366 Incoloy 800H 180 Deg. Elbow, Heat Exchanger
ASTM B366 is a specification for nickel-iron-chromium alloy fittings, including elbow butt weld fittings, made from Incoloy 800H material. Incoloy 800H is a high-temperature alloy that offers excellent resistance to oxidation, carburization, and other forms of high-temperature corrosion. These fittings are commonly used in applications such as chemical processing, heat treating, and power generation.
Common types of ASTM B366 Incoloy 800H elbow:
- 90-degree long radius elbow: This fitting has a longer radius, providing a smoother flow and reducing pressure drop in the piping system.
- 90-degree short radius elbow: This fitting has a shorter radius, making it more compact and suitable for tight spaces.
- 45-degree long radius elbow: This fitting allows for a gradual change in direction and is often used when a 90-degree turn is not possible.
- 45-degree short radius elbow: This fitting has a smaller radius, making it suitable for tight spaces and reducing pressure drop.
Chemical Composition
|
Grade |
C |
Mn |
Si |
S |
Cu |
Fe |
|
800 |
0.10 max |
1.50 max |
1.00 max |
0.015 max |
0.75 max |
39.50 min |
|
800H |
0.05 – 0.10 |
1.50 max |
1.00 max |
0.015 max |
0.75 max |
39.50 min |
|
800HT |
0.06 – 0.10 |
1.50 max |
1.00 max |
0.015 max |
0.75 max |
39.50 min |
|
825 |
0.05 max |
1.00 max |
0.5 max |
0.03 max |
1.50 – 3.00 |
22.00 min |
Mechanical Properties
|
Element |
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
|
800 / 800H / 800HT |
7.94 g/cm3 |
1385 °C (2525 °F) |
Psi – 75,000 , MPa – 520 |
Psi – 30,000 , MPa – 205 |
|
825 |
8.14 g/cm3 |
1400 °C (2550 °F) |
Psi – 80,000 , MPa – 550 |
Psi – 32,000 , MPa – 220 |
Applications:
- 1. Chemical Processing
- 2. Petrochemical Industry
- 3. Power Generation
- 4. Oil and Gas Industry
- 5. Pharmaceutical Industry
- 6. Food Processing Industry
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