Custom ASME B16.5 Weld Neck Flanges Supplied to Belarus by Haihao Group
Haihao Group recently completed the production and shipment of several customized ASME B16.5 weld neck flanges for a customer in Belarus. The order included multiple material grades such as ASTM A182 F51, ASME SB-564 N10276, ASTM A182 F316Ti, and ASTM A350 LF2 CL1.
All flange products were manufactured strictly according to customer drawings and project specifications. The bevel preparation, dimensions, sealing surfaces, and protective packaging were all processed in accordance with technical requirements to ensure safe installation and transportation.
Shipment Details
Special Alloy & Stainless Steel Weld Neck Flanges
| Product | Size & Rating | Material Grade | Standard | Surface & Packing |
| Weld Neck Flange | 8″ SCH STD CL300 LM | ASME SA-182 Gr.F51 | ASME B16.5 | Anti-rust Oil, Face Protection, Wooden Case |
| Weld Neck Flange | 6″ SCH STD CL300 LM | ASME SB-564M Gr.N10276 | ASME B16.5 | Anti-rust Oil, Face Protection, Wooden Case |
| Weld Neck Flange | 6″ WT6 CL300 LM | ASME SA-182 Gr.F316Ti | ASME B16.5 | Anti-rust Oil, Face Protection, Wooden Case |
Low Temperature Carbon Steel Weld Neck Flanges
| Product | Size & Rating | Material Grade | Standard | Surface & Packing |
| Weld Neck Flange | 3″ SCH STD CL300 LM | ASME SA-350 Gr.LF2 CL1 | ASME B16.5 | Anti-rust Oil, Face Protection, Wooden Case |
| Weld Neck Flange | 4″ WT8 CL300 LM | ASME SA-350 Gr.LF2 CL1 | ASME B16.5 | Anti-rust Oil, Face Protection, Wooden Case |
| Weld Neck Flange | 8″ WT10 CL300 LM | ASME SA-350 Gr.LF2 CL1 | ASME B16.5 | Anti-rust Oil, Face Protection, Wooden Case |
Advantages of Custom ASME B16.5 Weld Neck Flanges
The custom ASME B16.5 weld neck flanges supplied by Haihao Group were specially manufactured based on detailed engineering drawings provided by the customer.
These custom ASME B16.5 weld neck flanges offer several important advantages:
- Excellent structural strength
- Smooth flow transition
- Reliable sealing performance
- Reduced stress concentration
- Suitable for high-pressure pipeline systems
Because of these benefits, custom ASME B16.5 weld neck flanges are widely used in oil & gas, chemical processing, offshore engineering, and power generation industries.

Custom ASME B16.5 ASME SA-350 LF2 CL1 weld neck flanges manufactured by Haihao Group
Multiple Material Grades for Different Applications
ASTM A182 F51 Duplex Stainless Steel
F51 duplex stainless steel provides:
- High mechanical strength
- Excellent chloride corrosion resistance
- Good resistance to stress corrosion cracking
This material is suitable for offshore and aggressive chemical environments.
Hastelloy N10276 Alloy Flanges
The custom ASME B16.5 weld neck flanges manufactured in N10276 alloy are designed for highly corrosive service conditions.
Key benefits include:
- Outstanding corrosion resistance
- Excellent resistance to acidic media
- Stable high-temperature performance
These flanges are commonly used in chemical processing and severe industrial environments.
ASTM A182 F316Ti Stainless Steel
F316Ti stainless steel offers improved high-temperature corrosion resistance and excellent weldability.
Applications include:
- Heat exchanger systems
- Chemical plants
- Industrial process pipelines
ASTM A350 LF2 CL1 Low-Temperature Carbon Steel
LF2 CL1 material is widely used for low-temperature service because of its excellent toughness and impact performance.
The custom ASME B16.5 weld neck flanges manufactured in LF2 CL1 are suitable for cold-region industrial systems and pressure pipelines.
Strict Manufacturing According to Customer Drawings
All flange bevels, dimensions, and sealing surfaces were processed strictly according to customer drawings and technical specifications.
Haihao Group also applied:
- Anti-rust oil coating
- Sealing face protective covers
- Surface anti-collision protection
- Export wooden case packaging
These measures help ensure that each custom ASME B16.5 weld neck flanges product arrives safely and maintains excellent surface condition during transportation.
Haihao Group Supports Global Custom Flange Projects
Haihao Group continues to provide customized industrial flange solutions for customers worldwide.
The company offers:
- ASME B16.5 flanges
- Duplex stainless steel flanges
- Nickel alloy flanges
- Low-temperature carbon steel flanges
- Customized machining according to drawings
- Professional export packaging solutions
With strong manufacturing capability and extensive export experience, Haihao Group remains a reliable supplier for international industrial pipeline projects.
FAQ
What are custom ASME B16.5 weld neck flanges?
They are flanges manufactured according to ASME B16.5 standards and customized based on customer drawings or project requirements.
Why is ASTM A182 F51 used in industrial pipelines?
F51 duplex stainless steel provides excellent strength and corrosion resistance, especially in offshore and chemical environments.
What is Hastelloy N10276 material?
N10276 is a nickel alloy with outstanding corrosion resistance used in highly aggressive chemical applications.
Why are sealing face protectors important during shipment?
They prevent damage and scratches on flange sealing surfaces during transportation and storage.
Can Haihao Group manufacture flanges according to customer drawings?
Yes. Haihao Group can customize flange dimensions, bevels, materials, coatings, and packaging according to project specifications.
