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Recently, Zhejiang Jiuli Special Materials Technology Co., Ltd. officially put into operation the main production line of “large-diameter pipelines and components for transportation such as 20,000 tons of LNGâ€. This will end China’s long history of relying on imports of this product.
The production line adopts international advanced JCO forming technology and double-sided welding technology of filling metal. It is equipped with advanced technical equipment such as solid solution treatment, non-destructive testing and automatic control technology. The production automation and information level are high, and the product has large diameter and thickness. Excellent characteristics such as wall, super long, high (low) temperature, corrosion resistance and high pressure resistance, meeting the requirements of high quality, high efficiency, low energy consumption and green environmental protection. The product is at the leading level in China and fills the domestic gap and replaces imports. Zhou Zhijiang, chairman of the company, said that the production of the production line is conducive to Jiuli Special Materials to seize the opportunity of large-scale construction of energy and natural gas, to better meet the domestic and international oil and gas transportation, such as crude oil, natural gas and refined oil, especially high corrosion. The demand for high-end stainless steel welded pipes for oil and gas transportation under low temperature and high pressure conditions.
Founded in 1987, Jiuli Special Materials Co., Ltd. has advanced stainless steel, corrosion resistant alloy, high temperature alloy seamless pipe (extrusion, perforation, cold rolling, cold drawing) production line and large, medium and small diameter welded pipe production line. A solution for providing safe, reliable, high performance, corrosion resistant, pressure resistant, high temperature resistant stainless steel tubing and special materials for industrial piping systems. The company adopts international advanced multi-gun welding technology and is equipped with internationally advanced process equipment and welding technology such as on-line rolling, on-line bright heat treatment and on-line flaw detection. The Japanese automatic forming welding line introduced in 2003 represents the molding technology at that time. The world's advanced level. The first domestic 630 large-caliber continuous forming automatic welding unit was successfully put into operation, marking the technology of Jiuli Special Materials Co., Ltd. to produce large-diameter long straight straight welded pipe fully reached the international advanced level. Advanced technology and equipment have laid a solid technical foundation for ensuring product quality to meet user needs, so that products can be produced according to relevant standards of China and the standards of the American Society for Testing and Materials, the American Society of Mechanical Engineers, and the International Organization for Standardization.
Jiuli Special Materials Co., Ltd. also attaches great importance to the drafting of national standards, and has specially set up a preparation team. As the first drafting unit, it has carried out relevant standards for comments and drafting work, and has undertaken “Stainless Steel Welded Steel Pipes for Ships†and “Stainless Steel for Shipsâ€. Seamless Steel Tubes, the task of developing two recommended national standards. This is also the sixth and seventh national standards established by the company as the first drafting unit of the national standard. From June 18th to 20th this year, Jiuli Special Materials Co., Ltd. held the above-mentioned two national standards seminars on stainless steel pipes for ships in Anji. The representatives presented a number of targeted amendments. The preparation team will submit a standard review draft to the National Steel Standardization Technical Committee for review according to the discussion opinions.