Haihao Group Delivers ASME B16.9 Stainless Steel Pipe Fittings for Russian Industrial Project
Haihao Group has successfully completed the production and shipment of a comprehensive batch of stainless steel pipe fittings for a customer in Russia. The order includes 90° long radius elbows, 45° long radius elbows, concentric reducers, eccentric reducers, equal tees, and reducing tees, manufactured in accordance with ASME B16.9.
The shipment covers multiple stainless steel grades, including ASTM A403 WP304L, ASTM A403 WP316L, and Duplex Stainless Steel S31803, providing reliable solutions for industrial piping systems that demand corrosion resistance, dimensional accuracy, and long-term service performance.
Wide Range of ASME B16.9 Stainless Steel Pipe Fittings
This project demonstrates Haihao Group’s capability to supply complete piping packages with various materials, wall thicknesses, and sizes for international EPC contractors and industrial facilities.
| Product | Specification | Material | Standard |
| 90° Long Radius Elbow | 24″ SCH XS | ASTM A403 WP304L | ASME B16.9 |
| 90° Long Radius Elbow | 14″ SCH60 | ASTM A403 WP304L | ASME B16.9 |
| 90° Long Radius Elbow | 8″ SCH10S | ASTM A403 WP304L | ASME B16.9 |
| 45° Long Radius Elbow | 20″ SCH10S | A182 F304L | ASME B16.9 |
| Concentric Reducer | 8″ × 6″ SCH40S | ASTM A403 WP304L | ASME B16.9 |
| Eccentric Reducer | 18″ × 10″ SCH10S | ASTM A403 WP304L | ASME B16.9 |
| Reducing Tee | 14″ × 10″ SCH60 × SCH80S | ASTM A403 WP304L | ASME B16.9 |
| Equal Tee | 6″ SCH10S | ASTM A403 WP316L | ASME B16.9 |
| Eccentric Reducer | 3″ × 2″ SCH10S | ASTM A403 WP304L | ASME B16.9 |
| Duplex Equal Tee | 1/2″ | S31803 | ASME B16.9 |
| Duplex Eccentric Reducer | 3/4″ × 1/2″ SCH40S | S31803 | ASME B16.9 |
The shipment includes fittings ranging from 1/2 inch to 24 inches, covering multiple schedules including SCH10S, SCH40S, SCH60, SCH80S, SCH160 and SCH XS, enabling the customer to assemble piping systems with consistent specifications across different operating conditions.
ASTM A403 WP304L and WP316L pipe fittings manufactured by Haihao Group
ASTM A403 WP304L Pipe Fittings for Corrosion-Resistant Service
A significant portion of this shipment consists of ASTM A403 WP304L pipe fittings, one of the most widely specified materials for stainless steel process piping.
ASTM A403 WP304L pipe fittings provide:
- Excellent corrosion resistance in industrial environments
- Low carbon content for improved weldability
- Stable mechanical properties after welding
- Long service life with reduced maintenance requirements
- Compatibility with chemical, water treatment, food processing and general industrial applications
Haihao Group manufactured every ASTM A403 WP304L pipe fittings component in strict accordance with dimensional tolerances specified by ASME B16.9, ensuring excellent fit-up during field installation.
Multiple Stainless Steel Materials for Different Operating Conditions
Besides ASTM A403 WP304L pipe fittings, the order also includes components manufactured from several specialized materials.
| Material | Main Products | Advantages |
| ASTM A403 WP304L | Elbows, Reducers, Equal & Reducing Tees | General corrosion resistance and excellent weldability |
| ASTM A403 WP316L | Elbows, Reducers, Equal Tees | Superior chloride corrosion resistance |
| S31803 Duplex Stainless Steel | Reducers and Equal Tee | High strength and excellent pitting resistance |
This diversified material selection allows the customer to optimize performance for different pipeline sections while maintaining full compliance with project specifications.
Manufacturing Quality Focus
Every fitting supplied for this Russian project underwent strict manufacturing control before shipment.
| Inspection Item | Quality Control |
| Material Verification | Raw material certificates verified before production |
| Dimensional Inspection | Checked according to ASME B16.9 tolerances |
| Surface Examination | Smooth finish without harmful defects |
| Visual Inspection | 100% inspection before packing |
| Marking | Permanent identification for full traceability |
| Packing | Export seaworthy packaging suitable for international transportation |
Reliable Stainless Steel Pipe Fittings Supplier for Global Projects
With more than four decades of manufacturing experience, Haihao Group supplies ASTM A403 WP304L pipe fittings, ASTM A403 WP316L fittings, duplex stainless steel fittings, carbon steel fittings, alloy steel fittings, flanges, and seamless steel pipes for customers in more than 100 countries.
Whether your project requires standard ASME fittings or customized piping components, our engineering team can provide complete manufacturing, inspection, documentation, and logistics support.
If you are looking for a dependable supplier of ASTM A403 WP304L pipe fittings or complete piping solutions for refinery, petrochemical, LNG, offshore, power generation, or water treatment projects, Haihao Group welcomes your inquiry.