YUHONG HOLDING GROUP CO., LTD
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | According to Clients' requirements |
| Delivery Time | According to the quantity |
| Packaging Details | Ply-wooden Cases/Pallets |
| Product Name | 180 Degree Elbow SR/180 Degree Return Bend |
| Surface | Black Painted or Oiled |
| Test | Size Inspection, NDE Test... |
| Standard | ASME B16.9 |
| Brand Name | YuHong |
| Model Number | ASTM A234 WP5, WP9, WP11, WP12, WP22, WP91, WP92 |
| Certification | ISO,PED, TUV, ABS, DNV, GL , LR , KR, BV, CCS, COST |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C AT SIGHT | Supply Ability | According to Clients' requirements |
| Delivery Time | According to the quantity | Packaging Details | Ply-wooden Cases/Pallets |
| Product Name | 180 Degree Elbow SR/180 Degree Return Bend | Surface | Black Painted or Oiled |
| Test | Size Inspection, NDE Test... | Standard | ASME B16.9 |
| Brand Name | YuHong | Model Number | ASTM A234 WP5, WP9, WP11, WP12, WP22, WP91, WP92 |
| Certification | ISO,PED, TUV, ABS, DNV, GL , LR , KR, BV, CCS, COST | Place of Origin | China |
| High Light | 180° Elbow Return Bend ，Alloy Steel Return Bend ，ASTM A234 WP22 Return Bend | ||
A234 WP22 Return Bend Composition
| Grade | C | M | P | S | Si | Ch | Mo | Ni | Co | Others |
| WP22 | 0.05–0.15 | 0.30–0.60 | 0.04 | 0.04 | 0.5 | 1.90–2.60 | 0.87–1.13 | ... | ... | ... |
A234 WP22 Return Bend Strength
1. Yield Strength: Carbon steel typically exhibits a yield strength ranging from 250 MPa to 450 MPa, depending on the specific grade (e.g., A106, A53, etc.). This property indicates the maximum stress that the material can withstand without permanent deformation.
Tensile Strength: The tensile strength of carbon steel return bends usually falls between 400 MPa and 550 MPa. This measures the material's ability to resist being pulled apart.
2. Design Considerations
Wall Thickness: The thickness of the return bend impacts its strength. Thicker walls provide greater resistance to internal pressure and mechanical stress.
Bend Radius: The radius of the bend affects stress distribution. A larger radius generally reduces stress concentrations, enhancing overall strength.
3. Pressure Ratings
Working Pressure: Carbon steel return bends are designed to withstand specific working pressures, which can vary based on the wall thickness and diameter. These ratings are typically defined by industry standards (e.g., ASME B16.9).
Safety Factor: A safety factor is often applied in the design to account for unexpected loads and conditions, ensuring that the return bend can handle more than the expected maximum pressure.
4. Fatigue Resistance
Cyclic Loads: Carbon steel return bends must also be evaluated for fatigue resistance, especially in applications where they experience repeated thermal cycling or pressure fluctuations. Proper design and material selection can improve fatigue life.
5. Corrosion Considerations
Protective Coatings: In corrosive environments, protective coatings or treatments may be applied to enhance the longevity and strength of carbon steel return bends.
Maintenance: Regular inspection and maintenance are essential to identify any corrosion-related weaknesses that could compromise strength.
ASTM A234 WP22 180° Elbow Alloy Steel Return Bend For Cooling System
We are the manufacturer of alloy steel return bend. The carbon return bend is a curved pipe fitting that allows for the redirection of flow within a piping system. It typically connects two straight sections of pipe at a 180-degree angle, facilitating the return of fluid or gas. Made primarily from carbon steel, which provides a good balance of strength, durability, and resistance to high temperatures. Carbon steel is commonly used due to its cost-effectiveness and availability.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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