180° ELBOW 90° ELBOW A234 WP11 WP22 BW SR Alloy Steel Seamless Fittings For Fired Heater
Overview
Yuhong Group, a leading supplier of alloy steel tubes and fittings with over 20 years of export experience, proudly introduces its A234 WP11 Alloy Steel 180° SR Elbow - Seamless BW Fittings. As one of China’s top five exporters of seamless fittings, our products are trusted by clients in 80+ countries for their durability, precision, and performance in critical applications such as fired heaters, boilers, and high-temperature piping systems.
The A234 WP11 180° Elbow is designed to change the direction of flow in piping systems by 180 degrees. Manufactured with superior alloy steel and adhering to stringent industry standards, it is ideal for high-temperature and high-pressure environments.
Advantages of A234 WP11 Alloy Steel
A234 WP11 is a ferritic alloy steel grade that offers excellent properties for high-temperature and high-pressure applications. Key advantages include:
| Property |
Benefits |
| High-Temperature Strength |
Maintains mechanical integrity at elevated temperatures, making it ideal for fired heaters and boilers. |
| Corrosion Resistance |
Resists oxidation and corrosion in aggressive environments, ensuring long service life. |
| Good Weldability |
Easy to weld and fabricate, ensuring reliable connections in piping systems. |
| Durability |
Provides excellent resistance to creep and thermal fatigue in demanding environments. |
This alloy steel is widely used in industries such as power generation, petrochemicals, and refineries, where reliable performance under extreme conditions is critical.
Common Dimensions for 180° SR Elbows
Yuhong Group provides 180° Short Radius (SR) Elbows in a variety of sizes to meet diverse project requirements. Below are the standard dimensions:
| Nominal Pipe Size (NPS) |
Outside Diameter (OD) |
Wall Thickness (WT) |
Radius (R) |
Type |
| 1/2" |
21.3mm |
Sch 40 / Sch 80 |
25.4mm |
Seamless |
| 1" |
33.4mm |
Sch 40 / Sch 80 |
50.8mm |
Seamless |
| 2" |
60.3mm |
Sch 40 / Sch 80 |
101.6mm |
Seamless |
| 4" |
114.3mm |
Sch 40 / Sch 80 |
203.2mm |
Seamless |
| 6" |
168.3mm |
Sch 40 / Sch 80 |
304.8mm |
Seamless |
| 8" |
219.1mm |
Sch 40 / Sch 80 |
406.4mm |
Seamless |
Custom sizes and schedules (Sch 10, Sch XXS, etc.) are available upon request to meet specific project needs.
Applications of Alloy Steel 180° Elbows
The A234 WP11 Alloy Steel 180° Elbow is widely used in numerous industries due to its ability to withstand high temperatures and pressures. Its primary applications include:
-
Fired Heaters and Boilers:
- Used in heat transfer systems to redirect flow in high-temperature piping networks.
-
Power Generation:
- Ideal for steam and water piping systems in thermal and nuclear power plants.
-
Petrochemical and Refinery Plants:
- Handles aggressive fluids and gases in high-temperature processing units.
-
Oil and Gas Industry:
- Used in upstream, midstream, and downstream operations for reliable flow direction control.
-
Chemical Processing:
- Suitable for corrosive and high-temperature chemical environments.
Manufacturing Process for 180° Elbows
Yuhong Group follows a precise and controlled manufacturing process to ensure the highest quality for our 180° SR Elbows:
-
Material Selection:
- High-quality A234 WP11 alloy steel billets are sourced and inspected for compliance with ASTM standards.
-
Forging:
- The steel is heated and forged into the desired elbow shape using advanced forging equipment.
-
Heat Treatment:
- Normalizing, quenching, and tempering processes are applied to enhance mechanical properties and ensure uniformity.
-
Machining:
- The forged elbow is machined to achieve precise dimensions and tolerances.
-
Welding and Beveling:
- Ends are beveled for butt-weld (BW) connections, ensuring a seamless fit in piping systems.
-
Testing and Inspection:
- Each elbow undergoes rigorous testing, including:
- Hydrostatic Testing: To verify pressure resistance.
- Ultrasonic Testing: To detect internal flaws.
- Dimensional Inspection: To ensure size and radius accuracy.
-
Surface Treatment:
- Elbows are treated with anti-corrosion coatings or pickling to enhance durability.
Conclusion
Yuhong Group’s A234 WP11 Alloy Steel 180° SR Elbows are the perfect solution for high-performance piping systems in fired heaters, boilers, and other critical applications. With exceptional strength, corrosion resistance, and precision manufacturing, our elbows ensure reliable performance in the most demanding environments.
Contact us today to learn more about our A234 WP11 Alloy Steel 180° SR Elbows or request a free quote. Let Yuhong Group provide the perfect solution for your high-temperature and high-pressure piping needs!
