The nuclear industry stands as one of the largest consumers of stainless steel fittings, and its demands are arguably the most rigorous compared to other sectors. This stringency is primarily due to the higher risk factors associated with nuclear activitie ...

In a testament to our commitment to excellence and global partnerships, Haihao Group proudly announces a new order from our esteemed client in Russia. The comprehensive order encompasses a variety of piping components, including elbows, tees, concentric an ...

Driven by the belt and road initiative, Haihao Group is proud to introduce its pipeline system products to more and more countries. Recently we successfully delivered a batch of high-quality products to Bosnia and Herzegovina, demonstrating our commitment ...

S355ML steel is a type of low-alloy high-strength structural steel. Known for its excellent weldability, toughness, and cold deformation properties, S355ML steel finds applications in various structural uses such as building structures, bridges, lifting eq ...

Cold-rolled steel coils undergo a series of processing steps to transform hot-rolled coils or steel sheets into cold-processed steel plates with specific tolerances, flatness, and surface quality. This process imparts unique physical properties to cold-rol ...

In recent years, weldolet, a widely-used branch connection fitting, has gained popularity in the international market. It has emerged as a versatile alternative to traditional branch connection methods, such as eccentric reducers, reinforcing plates, or re ...

With the continuous development of the Chinese economy and the emphasis on the energy industry, long-distance oil and gas pipelines have become crucial for ensuring energy security. In the construction of anti-corrosion measures for oil and gas pipelines, ...

Haihao Group, a leading manufacturer specializing in pipe products, introduces cutting-edge surface quenching methods for thick-wall steel pipes. These advanced techniques ensure superior hardness and durability, meeting the stringent demands of various in ...

At Haihao Group, we’re thrilled to announce that our valued customer, Shunzhou Shipyard, has placed an additional order with us. This order encompasses a range of high-quality products, specifically ASME B16.9 ASTM A234 Gr WPB tees and reducers, slat ...

At Haihao Group, we take immense pride in our long-standing partnerships with clients worldwide. Our latest collaboration with an esteemed client from India exemplifies our dedication to delivering precision-engineered solutions for their ongoing oil proje ...

In the week spanning October 28th to November 3rd, the domestic scrap steel prices demonstrated a steady yet upward trajectory, easing the prevailing market pessimism and resulting in a deceleration in merchant sales. Notably, major steel enterprises witne ...

In the world of high-pressure and high-temperature environments, reliability and strength are paramount. This is where ASTM A694 F65 steps in, offering a high-strength low-alloy steel solution that’s perfectly suited for such challenging conditions. ...

Coating thickness plays a crucial role in ensuring the durability and longevity of pipelines. It serves as a protective layer, guarding against corrosion, abrasion, and other potential damage. Understanding the importance of precise coating thickness, our ...

In the week spanning from October 23rd to October 27th, domestic steel prices in China exhibited upward movement. Notably, both the long steel price index and flat steel price index showed moderate increases. Looking at the regional perspective, CSPI’ ...

When it comes to manufacturing large-diameter elbows, precision is of the utmost importance. Many factors can influence the accuracy of material feeding during the production process, and it’s essential to consider these factors for optimal results. ...

In the world of steel pipes, adherence to quality standards is paramount. The API 5L steel pipe standard is a vital guideline, and it classifies steel pipes into two distinct quality levels known as PSL1 and PSL2, with PSL representing Product Specificatio ...

In a world where industries are becoming increasingly reliant on stainless steel, the recent nickel shortage is making waves across the global market. The latest data report released by the World Bureau of Metal Statistics (WBMS) in August 2023 has reveale ...

Galvanization of bend fittings is a prevalent method for corrosion prevention, forming a protective zinc layer on the metal surface. This process plays a vital role in extending the lifespan of bend fittings, preventing corrosion and oxidation, thereby ens ...

As China’s economy surges forward, so does the rapid development of power generation technologies and equipment, with the nuclear power industry experiencing significant growth. Currently, both under construction and in planning, nuclear power plants ...

Hot-dip galvanizing is a time-tested process that offers eight remarkable advantages, making it the ideal choice for preserving and protecting steel. 1.Comprehensive Protection: Hot-dip galvanizing ensures that every nook and cranny of the iron surface is ...