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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 successfully delivers large forged rings for CNPC overseas oil project

In a remarkable feat of engineering and production excellence, Haihao Group recently accomplished a significant order for China National Petroleum Corporation’s (CNPC) overseas venture. The order, comprising 22 large forged rings, showcased Haihao Group’s prowess in manufacturing customized, high-quality components for critical applications in the energy sector.

Order Details:

The order, a testament to Haihao Group’s capabilities, involved the production of 22 large forged rings, each distinguished by a unique diameter. The range of diameters was vast, spanning from a minimum of 1850mm to an impressive maximum of 4750mm. This bespoke manufacturing approach underscores Haihao Group’s commitment to meeting the specific requirements of CNPC’s overseas venture.

large forged rings for overseas oil project

large forged rings for overseas oil project

Materials Used:

The choice of materials is a critical aspect of any forging project, and Haihao Group demonstrated its expertise by utilizing ASTM A182 F316L and ASTM A182 F304L for this particular order. These materials are renowned for their corrosion resistance, high-temperature strength, and exceptional mechanical properties, making them ideal for applications in the demanding environments of the oil and gas industry.

Combined Weight and Engineering Precision:

The collective weight of the 22 forged rings surpassed an impressive 90 tons, emphasizing the sheer magnitude of this project. The manufacturing process demanded meticulous attention to detail, precision engineering, and adherence to the highest quality standards. Haihao Group’s ability to seamlessly produce such large and heavy components speaks volumes about the company’s state-of-the-art facilities, advanced technology, and skilled workforce.

Significance for CNPC’s Overseas Venture:

The successful completion of this order holds strategic importance for CNPC’s overseas venture. The large forged rings supplied by Haihao Group are integral components in critical equipment used in the oil and gas exploration and production processes. The reliability and performance of these components are paramount to the success and sustainability of CNPC’s operations on the global stage.

Quality Assurance and Compliance:

Haihao Group’s commitment to quality assurance and compliance with industry standards is evident in every stage of the manufacturing process. The use of ASTM A182 materials aligns with international standards, ensuring that the forged rings meet or exceed the stringent requirements of the oil and gas industry. Rigorous testing procedures, including material testing, dimensional inspection, and non-destructive testing, were employed to guarantee the integrity and reliability of the final products.

The successful completion of this significant order for CNPC’s overseas venture marks a milestone in Haihao Group’s journey as a leading provider of forged components for the energy sector. The company’s ability to deliver large and customized solutions with precision, coupled with its dedication to quality and compliance, positions Haihao Group as a trusted partner for major players in the global energy industry. This achievement not only solidifies the company’s reputation but also highlights its role in contributing to the success and efficiency of vital energy projects worldwide.

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