Haihao Group Exports 6″ Class 150 ASTM A182 F316L Blind Flanges to Kazakhstan
Haihao Group has successfully completed the production and shipment of 6 inch Class 150 ASTM A182 F316L blind pipe flanges to a customer in Kazakhstan. Manufactured in strict accordance with ASME B16.5, these stainless steel blind flanges are designed for sour service environments and supplied with EN 10204 3.1 certification.
This project reflects Haihao Group’s continued commitment to delivering high-quality ASME B16.5 F316L RF blind flanges for oil and gas applications across Central Asia.
Product Specifications
Product Name: Blind Pipe Flange (RF)
Size: 6″
Pressure Rating: Class 150 (150#)
Standard: ASME B16.5
Material: ASTM A182 Grade F316L
Facing Type: Raised Face (RF)
Facing Finish: RA 125–250 µin
Service: Sour Service
Compliance: NACE MR0175
Certification: EN 10204 3.1
The flanges are precision machined to meet dimensional tolerances and surface finish requirements, ensuring reliable sealing performance in corrosive process systems.
ASME B16.5 stainless steel 316L blind pipe flanges for sour service
Why Choose ASTM A182 F316L Blind Flanges?
ASTM A182 F316L stainless steel blind flanges are widely used in industries where corrosion resistance and durability are critical. The low carbon content of 316L improves weldability and reduces the risk of intergranular corrosion.
For this Kazakhstan project, the 6 inch Class 150 RF blind flange for sour service was selected due to its:
- Excellent resistance to pitting and crevice corrosion
- Good performance in chloride-containing environments
- Compatibility with NACE MR0175 sour service requirements
- Reliable sealing with raised face gasket systems
These characteristics make F316L RF blind pipe flanges ideal for oil refineries, petrochemical plants, and offshore processing facilities.
ASME B16.5 Compliance and Quality Assurance
All flanges were manufactured according to ASME B16.5 stainless steel blind flange standard, ensuring accurate bolt circle dimensions, thickness, and pressure ratings.
Haihao Group implemented strict quality control procedures, including:
- PMI (Positive Material Identification) testing
- Dimensional inspection
- Surface finish verification (RA 125–250 µin)
- Marking and traceability control
- Review of EN 10204 3.1 material test certificates
As an experienced ASTM A182 F316L blind flange manufacturer and exporter, we ensure each product meets international EPC and project specifications.
Supporting Oil & Gas Projects in Kazakhstan
Kazakhstan remains a key market for energy infrastructure development. By supplying ASME B16.5 Class 150 F316L RF blind flanges for Kazakhstan oil and gas projects, Haihao Group strengthens its reputation as a reliable partner for high-quality stainless steel flange solutions.
If you are sourcing a dependable 6 inch Class 150 stainless steel 316L blind flange supplier or require NACE compliant ASME B16.5 RF blind flanges, Haihao Group is ready to provide technical assistance and competitive quotations.