China Stainless Steel 304L Socket weld Flanges Manufacturers, Suppliers, Factory

A lap joint flange is a type of flange that is used in piping systems. It is similar to other types of flanges, such as weld neck flanges and slip-on flanges, in that it connects pipes and other components. However, Lap Joint Flanges have a unique design that allows them to be easily disassembled and reassembled.

At present, Longquan Industrial has provided over 500,000 duplex steel flanges to more than 80 countries around the world, covering leading enterprises such as BP, Shell and petrochina.Longquan Industrial holds international certifications such as ASME U/U2, PED, and API 6A. It is equipped with a German SMS forging line and an American Niton spectrometer, achieving full traceability from raw materials to finished products. In the future, Longquan will continue to invest in the research and development of duplex steel materials, promoting the upgrading of flanges towards higher strength, lighter weight and greater intelligence.

Using acid pickling paste or spray to assist the rust part to be passivated to form chromium oxide film to restore its corrosion resistance. After pickling, it is very important to rinse properly with...

Stainless steel flanges are a type of pipe fitting used to connect pipes, valves, pumps, and other equipment in a piping system. They are typically made of stainless steel, which provides excellent corrosion resistance, durability, and strength.

Stainless steel flanges are commonly used pipeline parts in construction. This kind of parts are used for the connection of the two ends of the pipeline, which can effectively avoid gaps at the pipe...

In a significant development for the piping industry, duplex steel flanges have emerged as a game-changer, offering exceptional strength and corrosion resistance for critical applications. The innovative use of duplex steel in flange manufacturing has the potential to revolutionize various industries, including oil and gas, chemical, maritime, and offshore.