ASTM B366 UNS N08810 Alloy 800H Buttweld Fittings 180 Degree Return Bend
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASTM B366 Incoloy 800H 180Deg. Return Bend
Minimum Order Quantity:1PC
Delivery Time:7 DAYS
Payment Terms:L/C,T/T
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Buttweld Pipe Fittings, ASTM B366 UNS N08810 Incoloy Alloy 800H 180Deg. Return Bend
A 180-degree return bend is a type of pipe fitting that allows for a complete directional change in a piping system, effectively returning the flow back in the opposite direction. The bend typically features a smooth curve, minimizing flow resistance and turbulence.
Key Features and Advantages of 180 Degree Return Bend
- Design: A smooth, continuous curve that minimizes turbulence and pressure drop.
- Material: These bends can be made from various materials, including carbon steel, stainless steel, and nickel alloys like N08810, depending on the application requirements.
- Sizes and Standards: Available in different sizes and wall thicknesses, often conforming to standards like ASTM A234 (for carbon and alloy steels), ASTM A403 (for stainless steels), ASTM A815 (for duplex steels) or ASTM B366 (for nickel alloys).
Advantages
- Flow Efficiency: The design of a 180-degree bend reduces overpressure in the system and minimizes fluid turbulence, which is beneficial for maintaining flow efficiency.
- Versatility: Suitable for various applications across multiple industries, providing flexibility in piping design.
- Space Saving: Allows for compact installations where space constraints are an issue.
Equivalent Grades of Incoloy 800/800H/800HT Buttweld Fittings
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 | XH32T |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 | XH32T |
Mechanical Analysis of Incoloy 800/800H/800HT Buttweld Fittings
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800 / 800H / 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
Chemical Composition of Incoloy 800/800H/800HT Buttweld Fittings
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800 | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60? | 0.15 – 0.60 |
There are several types of elbows used in piping systems, including:
1. 45-degree elbow: This type of elbow changes the direction of flow by 45 degrees.
2. 90-degree elbow: This type of elbow changes the direction of flow by 90 degrees.
3. 180-degree elbow: This type of elbow changes the direction of flow by 180 degrees, effectively reversing the direction of flow.
4. Short radius elbow: This type of elbow has a shorter center-to-end distance than a standard elbow, making it ideal for use in tight spaces.
5. Long radius elbow: This type of elbow has a longer center-to-end distance than a standard elbow, which helps to reduce friction and pressure loss in the system.
Applications
They are commonly used in industrial piping systems where redirection of flow is necessary, such as:
- Chemical Processing: To navigate complex pipelines safely.
- Heating and Cooling Systems: For effective circulation of fluids.
- Oil and Gas: In pipelines where bends are required for routing.
ASTM B366 UNS N08810 Alloy 800H Buttweld Fittings 180 Degree Return Bend
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