ASTM A105 and ASTM A350 LF2 Flanges Exported to the UK for Industrial Pipeline Projects
Haihao Group recently completed the production and shipment of a large batch of ASTM A105 RF flanges and ASTM A350 LF2 blind flanges for a customer in the United Kingdom.
The order covered multiple flange types, including:
- Weld neck flanges (WN)
- Slip-on flanges (SO)
- Socket weld flanges (SW)
- Blind flanges (BL)
- Spectacle blind flanges
- Stainless steel blind flanges
All products were manufactured according to ASME B16.5 requirements and supplied for industrial pipeline systems operating under different pressure classes and temperature conditions.
Product Overview
| Flange Type | Size | Pressure Class | Material | Face Type |
| Blind Flange | 14″ | CL150 | ASTM A182 F316L | RF |
| Slip-On Flange | 3″ | CL150 | ASTM A105 | RF |
| Weld Neck Flange | 1″ | CL150 SCH80 | ASTM A105 | RF |
| Weld Neck Flange | 2″ | CL300 SCH80 | ASTM A105 | RF |
| Weld Neck Flange | 6″ | CL300 SCH40 | ASTM A105 | RF |
| Socket Weld Flange | 3/4″ | CL300 | ASTM A105 | RF |
| Blind Flange | 12″ | CL150 | ASTM A350 LF2 | RF |
| Blind Flange | 8″ | CL600 | ASTM A105 | RF |
| Spectacle Blind Flange | 2″ | CL600 | ASTM A105 | RF |
ASTM A105 RF Flanges for Industrial Pipeline Systems
The majority of this UK order consisted of ASTM A105 RF flanges for industrial piping systems, covering various sizes, schedules, and pressure ratings.
These forged carbon steel flanges are widely used in:
- Oil and gas pipelines
- Petrochemical facilities
- Water treatment systems
- Industrial processing plants
- Power generation projects
Haihao Group manufactured the flanges with strict dimensional accuracy and sealing surface control to ensure stable pipeline performance.
ASTM A350 LF2 Blind Flanges for Low-Temperature Applications
The shipment also included ASTM A350 LF2 blind flanges for low-temperature service, which are designed for applications requiring improved toughness under low-temperature operating conditions.
ASTM A350 LF2 material offers:
- Excellent low-temperature impact resistance
- Stable mechanical properties
- Good weldability
- Reliable sealing performance
These flanges are commonly used in LNG, natural gas, offshore, and cold-environment industrial projects.
Multiple Flange Types Manufactured Under ASME B16.5
Haihao Group supplied several flange configurations for the UK customer, including:
Weld Neck Flanges (WN)
Designed for high-pressure and high-temperature service with smooth stress distribution.
Slip-On Flanges (SO)
Cost-effective flange solutions suitable for medium-pressure systems.
Socket Weld Flanges (SW)
Ideal for small-bore high-pressure piping systems.
Blind Flanges (BL)
Used to terminate or isolate pipeline sections safely.
Spectacle Blind Flanges
Commonly applied in maintenance and shutdown isolation systems.
Strict Quality Control Throughout Production
Every flange supplied by Haihao Group undergoes comprehensive inspection procedures, including:
- Raw material verification
- PMI inspection
- Dimensional measurement
- RF sealing face inspection
- Surface quality examination
- Marking and packaging inspection
The company follows international standards to ensure every shipment meets project requirements and export expectations.
One-Stop Pipeline Solutions from Haihao Group
As a GLOBAL EXPERT IN PIPELINE SYSTEM SOLUTIONS, Haihao Group provides:
- Steel pipes
- Pipe fittings
- Industrial flanges
- Overlay cladding
- Pre-fabrication services
- Coating & lining solutions
With more than 40 years of manufacturing experience, Haihao Group supports customers worldwide with reliable products and professional technical service.
Why UK Customers Choose Haihao Group
Complete Product Range
From standard ASME flanges to customized forged products.
Stable Manufacturing Capacity
Large-scale production facilities support urgent and bulk orders.
International Project Experience
Export experience covering Europe, the Middle East, Southeast Asia, and Central Asia.
Technical Support
Professional engineering assistance for material selection, standards, and pipeline solutions.
Contact Haihao Group
If you are looking for a reliable supplier of ASTM A105 RF flanges and ASTM A350 LF2 blind flanges, Haihao Group can provide customized flange solutions for your project requirements.
Contact our team today for technical consultation and quotation support.