U Bend Return, 180 Deg. Short Radius, ASME SA234 WP9 4" SCH40 B16.28 For Fired Heater Radiant Section
| Attribute | Value |
|---|---|
| Material Grade | ASTM A234 WP9, ASME SA234 WP9 |
| Specification | B16.28, B16.9, B16.25 |
| Radius | LR (Long Radius), SR (Short Radius) |
| Testing | UT, PT, MT, PMI |
| Size | 1/2 inch - 98 inch |
| Application | Heat Exchanger, Boiler, Furnace, Fired Heater, Convection Section |
The 180 Degree Short Radius U Bend Return is designed for high-performance applications in fired heater radiant sections. Manufactured from ASME SA234 WP9 material, this 4" SCH40 B16.28 compliant component is essential for demanding industrial environments.
These U bend returns are widely used in power plants, petrochemical facilities, and oil refineries. The short radius design is particularly valuable where equipment space constraints exist. Our returns are manufactured using hot forming or cold hydro forming processes, with cast types available for high-temperature furnace applications.
Each unit undergoes rigorous quality control including 100% PT, UT, and MT testing prior to shipment to ensure compliance with all standard requirements. These precision-engineered components serve as critical connections between pipes, tubes, and fin tubes in industrial systems.
| ASME SA234 WP9 Chemical Composition (%) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | TI | Nb | Cu | Al | V | Co | Fe | Result |
| ≤0.15 | 0.25~1.0 | 0.3~0.6 | ≤0.025 | ≤0.025 | 8.0~10.0 | / | 0.9~1.1 | / | / | / | / | / | / | / | / |
| ASME SA234 WP9 Tensile Test ASTM A370-20 | ||
|---|---|---|
| Tensile Strength: Rm (Mpa) | Yield Strength: Rp 0.2(Mpa) | Elongation: A (%) |
| ≥415 | ≥205 | ≥30 |
Yuhong Group offers a comprehensive range of return bends to meet diverse industrial requirements:
- 45 Degree Return
- 90 Degree Return
- 180 Degree Return
- Long Radius and Short Radius options
- Custom configurations including Long Tang designs
Standard Size Range:
- OD: 15mm to 1219mm
- Thickness: 1mm to 60mm
- Custom degrees available upon request
Our return bends serve critical functions across multiple industries:
- Chemical Industry
- Petrochemical Industry
- Oil and Gas Industry
- Nuclear Industry
- Power Plants
- Oil Refineries
- Ship Building Equipment
- Sea Water Equipment
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.