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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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Haihao Group delivers precision with JIS G3454 STPG 370 seamless pipes

In a testament to precision engineering, Haihao Group proudly announces the completion of a production run for 6-meter-long JIS G3454 STPG 370 seamless pipes for a domestic shipyard. Ranging from 1/2″ to 8″ in size with varying wall thicknesses including SCH40, SCH80, and SCH160, these pipes are set to redefine industry standards.

The journey of excellence begins with the selection of premium raw materials. Haihao Group, known for its commitment to quality, meticulously procures materials meeting international standards. The emphasis on sourcing excellence ensures the foundation of a reliable and robust product.Sourcing Superior Raw Materials:

JIS G3454 STPG 370 seamless pipes

JIS G3454 STPG 370 seamless pipes

Precision Manufacturing Process:

The manufacturing process at Haihao Group is a blend of technological finesse and skilled craftsmanship. State-of-the-art machinery, operated by a highly skilled workforce, ensures the seamless transformation of raw materials into precision-engineered pipes. Each step is meticulously monitored to maintain the highest quality standards.

To enhance the pipes’ durability and corrosion resistance, Haihao Group employs a hot-dip galvanization process. This involves immersing the pipes in a molten zinc bath, creating a protective layer that ensures longevity, especially in challenging marine environments. The galvanization process adds an extra layer of reliability, aligning with Haihao Group’s commitment to delivering products that withstand the test of time.Hot-Dip Galvanization for Endurance:

Quality Inspection for Perfection:

Every batch undergoes rigorous quality checks to ensure that each pipe adheres to the stringent JIS G3454 standards. From dimensional accuracy to structural integrity, the quality inspection process is comprehensive. This commitment to perfection is a testament to Haihao Group’s unwavering dedication to customer satisfaction.

Meeting Varied Specifications:

Understanding the diverse needs of the shipbuilding industry, Haihao Group offers pipes with different wall thicknesses (SCH40, SCH80, and SCH160) to accommodate various specifications. This adaptability showcases the group’s commitment to meeting the specific demands of its customers.

As the pipes roll out of production, Haihao Group takes pride in contributing to the shipbuilding industry’s success. This endeavor, from sourcing superior raw materials to delivering precision-engineered pipes, is a reflection of Haihao Group’s commitment to excellence. The completion of this production run reaffirms the group’s position as a leader in the seamless pipe manufacturing sector, offering products that stand tall in the face of industry challenges.

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