Russian Client Receives ASME B16.5 Industrial Flanges from Haihao Group
Haihao Group recently completed the production and shipment of multiple industrial flange products for a Russian customer. The order included ASME B16.5 weld neck flanges, blind flanges, and socket weld flanges manufactured in several premium materials, including ASTM A182 F316L, ASTM A182 F11 CL2, and ASTM A350 LF2 CL1.
These flanges are designed for demanding pipeline systems used in oil & gas, petrochemical, energy, and low-temperature industrial applications.
Shipment Details
Stainless Steel Blind Flange
| Product | Size & Rating | Material Grade | Standard | Surface |
| Blind Flange (RF) | 2″ CL300 RF | ASTM A182 Gr. F316/316L Dual Grade | ASME B16.5 | Anti-rust Oil Coating |
Weld Neck & Socket Weld Flanges
| Product | Size & Rating | Material Grade | Standard | Surface |
| Weld Neck Flange | 2″ SCH 40 CL300 RF | ASTM A350 Gr. LF2 CL1 | ASME B16.5 | Anti-rust Oil Coating |
| Weld Neck Flange | 8″ SCH XS CL600 RF | ASTM A182 Gr. F11 CL2 | ASME B16.5 | Anti-rust Oil Coating |
| Weld Neck Flange | 6″ SCH STD CL150 RF | ASTM A350 Gr. LF2 CL1 | ASME B16.5 | Anti-rust Oil Coating |
| Weld Neck Flange | 3″ SCH STD CL300 RF | ASTM A182 Gr. F11 CL2 | ASME B16.5 | Anti-rust Oil Coating |
| Weld Neck Flange | 6″ SCH STD CL300 RF | ASTM A350 Gr. LF2 CL1 | ASME B16.5 | Anti-rust Oil Coating |
| Weld Neck Flange | 2″ SCH STD CL300 RF | ASTM A350 Gr. LF2 CL1 | ASME B16.5 | Anti-rust Oil Coating |
| Socket Weld Flange | 1 1/2″ SCH 80 CL300 RF | ASTM A350 Gr. LF2 CL1 | ASME B16.5 | Anti-rust Oil Coating |
| Weld Neck Flange | 3″ SCH STD CL150 RF | ASTM A350 Gr. LF2 CL1 | ASME B16.5 | Anti-rust Oil Coating |
Why ASME B16.5 Weld Neck Flanges Are Widely Used
The ASME B16.5 weld neck flange supplier market continues to grow because weld neck flanges offer excellent mechanical strength and stress distribution for high-pressure pipelines.
The ASME B16.5 weld neck flange supplier products delivered by Haihao Group are manufactured with precision machining and strict dimensional control to ensure stable sealing performance and long service life.
Advantages include:
- Excellent pressure resistance
- Improved fatigue strength
- Reliable sealing performance
- Smooth flow transition inside pipelines
- Suitable for high-temperature and low-temperature services
For critical pipeline systems, selecting a trusted ASME B16.5 weld neck flange supplier is essential for operational safety and long-term reliability.
ASME B16.5 ASTM A350 LF2 CL1 weld neck flange manufactured by Haihao Group
Material Highlights
ASTM A350 LF2 CL1 Flanges
ASTM A350 LF2 CL1 carbon steel flanges are widely used in low-temperature environments due to their excellent toughness and impact resistance.
Applications include:
- LNG projects
- Cold-region pipelines
- Oil & gas transportation systems
- Pressure vessel connections
ASTM A182 F11 CL2 Flanges
ASTM A182 F11 CL2 alloy steel flanges provide enhanced creep resistance and high-temperature strength, making them suitable for:
- Power plants
- Steam pipelines
- Refinery systems
- High-temperature process piping
The ASME B16.5 weld neck flange supplier solutions in F11 material are especially popular in energy and thermal power industries.
ASTM A182 F316L Blind Flanges
F316L stainless steel blind flanges deliver excellent corrosion resistance in chloride-containing and chemical processing environments.
Key benefits:
- Strong corrosion resistance
- Good weldability
- Excellent durability
- Suitable for offshore and marine projects
Strict Quality Inspection Before Shipment
To ensure compliance with project requirements, Haihao Group carried out comprehensive inspections on all flange products before shipment.
Inspection procedures included:
- PMI material verification
- Dimensional inspection
- Surface quality checking
- Marking verification
- Protective oil coating application
Each ASME B16.5 weld neck flange supplier product was carefully packed to ensure safe transportation to Russia.
Haihao Group Supports Global Pipeline Projects
With years of export experience, Haihao Group supplies industrial flanges and pipe fittings to customers worldwide.
The company provides:
- Weld neck flanges
- Blind flanges
- Socket weld flanges
- Forged fittings
- Butt weld fittings
- Customized piping components
As an experienced ASME B16.5 weld neck flange supplier, Haihao Group continues to support international EPC contractors, distributors, and industrial end users with reliable piping products and professional service.
FAQ
What is the advantage of a weld neck flange?
Weld neck flanges provide excellent strength and stress distribution, making them suitable for high-pressure and high-temperature applications.
Why is ASTM A350 LF2 used for low-temperature service?
ASTM A350 LF2 offers good toughness and impact resistance in low-temperature environments such as LNG and cold-region pipelines.
What industries use ASTM A182 F11 CL2 flanges?
F11 alloy steel flanges are commonly used in power plants, refineries, and steam piping systems.
What is the purpose of anti-rust oil coating on flanges?
The oil coating protects flange surfaces from corrosion during storage and international transportation.
Can Haihao Group provide customized flange solutions?
Yes. Haihao Group can manufacture flanges according to customer drawings, materials, dimensions, and international standards.