NACE MR0175 compliant flanges for Russian client: Haihao Group ensures quality & timely delivery
Haihao Group has once again demonstrated its commitment to delivering high-quality, specialized products to international clients, fulfilling an additional order from a Russian customer for NACE MR0175 compliant flanges. This follow-up order, adding 10 units to a previous batch, underscores the client’s confidence in Haihao Group’s ability to meet stringent industry standards and deliver on time.

NACE MR0175 compliant flanges
NACE MR0175 Compliance: Ensuring Corrosion Resistance in Harsh Environments
The customer’s specific requirement for NACE MR0175 compliance is paramount for applications in corrosive environments, particularly in the oil and gas industry. This standard, which addresses materials resistant to sulfide stress cracking (SSC), ensures the longevity and reliability of pipeline systems. Haihao Group’s adherence to NACE MR0175 guarantees that the flanges will perform optimally in demanding conditions.
Precision Manufacturing and Rigorous Testing
The order encompassed a range of flange sizes, including DN50, DN80, DN150, DN300, and DN400, catering to the diverse needs of the Russian client’s project. To ensure the highest quality and material integrity, Haihao Group implemented:
Material Compliance: Meticulous material selection and verification to meet the exacting requirements of NACE MR0175.
Heat Treatment: Controlled heat treatment processes to optimize the mechanical properties and corrosion resistance of the flanges.
100% Ultrasonic Testing (UT): Comprehensive UT to detect any internal flaws or imperfections, ensuring the structural integrity of each flange.
These stringent quality control measures reflect Haihao Group’s dedication to providing products that exceed industry standards and meet the critical needs of our clients.

NACE MR0175 Weld Neck flanges
Timely Delivery: Meeting Tight Deadlines
Recognizing the importance of timely delivery, Haihao Group committed to a 30-day turnaround for this order. This commitment to efficiency and reliability further strengthens our reputation as a trusted partner for international clients.
Applications and Industry Relevance
NACE MR0175 compliant flanges are essential in:
Oil and Gas: Pipelines, refineries, and offshore platforms where exposure to corrosive substances is common.
Petrochemical: Chemical processing plants that handle corrosive fluids and gases.
Marine: Shipbuilding and offshore applications where saltwater corrosion is a concern.
Why Choose Haihao Group?
Haihao Group’s expertise in manufacturing specialized flanges, coupled with our commitment to quality and timely delivery, makes us the preferred choice for international clients. We offer:
NACE MR0175 Compliant Products: Ensuring corrosion resistance and reliability.
Comprehensive Testing: 100% UT and other rigorous testing procedures.
Timely Delivery: Meeting tight deadlines to support project schedules.
International Expertise: Serving clients worldwide with tailored solutions.
For high-quality NACE MR0175 compliant flanges and reliable manufacturing services, contact Haihao Group today. Discuss your project requirements and experience our commitment to excellence. Email:sales@haihaogroup.com