Haihao Group Ships ASME B16.11 Forged Pipe Fittings and MSS SP-97 Branch Outlets to Russia
Haihao Group has recently completed the production and shipment of a comprehensive batch of ASME B16.11 forged pipe fittings and MSS SP-95/MSS SP-97 branch fittings for a Russian customer. The order covers a wide variety of forged fittings manufactured from carbon steel, stainless steel, alloy steel, and low-temperature materials, providing reliable solutions for refinery, petrochemical, power generation, and oil & gas pipeline systems.
The shipment includes socket weld elbows, socket weld tees, threaded couplings, caps, branch connections, concentric swages, eccentric swages, and reducing tees, produced in accordance with ASME B16.11, MSS SP-95, and MSS SP-97 standards. Every component was manufactured under Haihao Group’s strict quality management system to ensure dimensional accuracy, pressure integrity, and long-term service reliability.
Complete Supply of ASME B16.11 Forged Pipe Fittings
The project required numerous forged fittings with pressure classes ranging from Class 3000 to Class 6000, covering multiple pipe sizes and material grades.
| Product | Specification | Material | Standard |
| 45° Socket Weld Elbow | 1/2″ Class 3000 | ASTM A182 F304L | ASME B16.11 |
| 90° Socket Weld Elbow | 1-1/2″ Class 6000 | ASTM A350 LF2 | ASME B16.11 |
| Socket Weld Tee | 1-1/2″ | ASTM A182 F304L | ASME B16.11 |
| Threaded Coupling | 3/4″ Class 3000 | ASTM A182 F304L | ASME B16.11 |
| Round Plug | 1″ | ASTM A182 F304L | ASME B16.11 |
| Pipe Cap | 1-1/2″ Class 3000 | ASTM A350 LF2 | ASME B16.11 |
| Concentric Swage Nipple | 2″ × 1″ SCH XS | ASTM A420 WPL6 | MSS SP-95 |
| Eccentric Swage Nipple | 3″ × 1-1/2″ SCH XS × SCH160 | ASTM A420 WPL6 | MSS SP-95 |
| Socket Weld Branch Connection | 30″ × 1-1/2″ Class 3000 | ASTM A350 LF2 | MSS SP-97 |
| Butt Weld Branch Connection | 36″ × 6″ SCH XS × STD | ASTM A350 LF2 | MSS SP-97 |
The products cover pipe sizes from 1/2 inch to 36 inches, meeting different branch connection and pressure piping requirements within the same project.

ASME B16.11 forged pipe fittings manufactured by Haihao Group
ASME B16.11 Forged Pipe Fittings for High-Pressure Applications
One of the highlights of this shipment is the extensive use of ASME B16.11 forged pipe fittings, which are widely specified in high-pressure piping systems.
Manufactured from ASTM A182 F304L, ASTM A350 LF2, ASTM A182 F11, ASTM A182 F22, ASTM A403 WP304L, ASTM A403 WP316L, ASTM A420 WPL6, ASTM A234 WP11, and ASTM A234 P22, these ASME B16.11 forged pipe fittings provide dependable mechanical strength and excellent performance in demanding industrial environments.
Each ASME B16.11 forged pipe fittings component is produced using precision forging and machining processes to achieve accurate dimensions, reliable sealing surfaces, and excellent pressure resistance. Before shipment, every ASME B16.11 forged pipe fittings product undergoes comprehensive dimensional verification and visual inspection to ensure compliance with project specifications.
Multiple Material Options for Various Service Conditions
To satisfy different operating temperatures and corrosion requirements, Haihao Group supplied fittings manufactured from several material grades.
| Material | Typical Products | Application Advantages |
| ASTM A182 F304L | Socket Weld Elbows, Tees, Couplings, Branch Connections | Excellent corrosion resistance and weldability |
| ASTM A403 WP316L | Eccentric Swage Nipples, Butt Weld Branch Connections | Improved chloride corrosion resistance |
| ASTM A350 LF2 | Socket Weld Fittings and Branch Connections | Outstanding low-temperature toughness |
| ASTM A182 F11 / F22 | Forged Elbows, Tees and Couplings | Suitable for elevated temperature service |
| ASTM A420 WPL6 | Concentric & Eccentric Swage Nipples | Reliable performance under low-temperature conditions |
This combination of materials enables customers to select the most suitable forged fittings for high-pressure, low-temperature, corrosive, and elevated-temperature applications.
Comprehensive Quality Control Throughout Production
Haihao Group applies strict quality control procedures from raw material procurement to final shipment.
| Inspection Item | Quality Assurance |
| Raw Material Inspection | Mill certificates verified before production |
| Forging & Machining | Controlled manufacturing process with dimensional accuracy |
| Dimensional Inspection | Verified according to ASME B16.11, MSS SP-95 and MSS SP-97 |
| Visual Examination | 100% surface inspection before packing |
| Material Identification | Complete marking for traceability |
| Packaging | Export-grade seaworthy packaging for international transportation |
Reliable Supplier of Forged Pipe Fittings for Global Projects
Haihao Group has over 40 years of manufacturing experience supplying forged fittings, butt weld fittings, flanges, steel pipes, branch connections, and customized piping components to customers in more than 100 countries.
Whether your project requires ASME B16.11 forged pipe fittings, MSS SP-95 swage nipples, MSS SP-97 branch connections, or complete piping packages manufactured from carbon steel, stainless steel, alloy steel, or low-temperature materials, Haihao Group can provide manufacturing, inspection, documentation, and global logistics support.
If you are looking for a reliable manufacturer of ASME B16.11 forged pipe fittings for refinery, petrochemical, LNG, offshore, or power plant projects, our engineering team is ready to support your next pipeline project.
