Baoji Steel Pipe successfully developed X100 steel welded pipe
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In recent years, with the rapid development of China's oil and gas transmission pipeline construction, X100 steel grade spiral welded pipe has become a major force thanks to its higher pressure resistance, greater strength, stronger corrosion resistance, and less raw material consumption. Pipeline management research hotspots. However, due to the foreign countries' strict sealing of the core technology and scientific and technological achievements in this field and the comprehensiveness and complexity of the production technology itself, the development of domestic X100 spiral welded pipe has been relatively slow.
In order to develop the X100 steel grade large-diameter spiral welded pipe with excellent performance and suitable for long distance laying, Baoji Steel Pipe Company, with more than 50 years of professional experience in pipe production, successfully developed the X100 steel grade, 813 mm diameter spiral welded pipe in 2008. On the basis of this, the organization will be able to strengthen its strengths, identify key development points and difficulties, and increase efforts to tackle problems. Not only has the X100 coils been jointly developed with the relevant steel plants, but it has also been successfully developed through thousands of flat docking experiments and small furnace smelting. The matched series of welding wire and flux with independent intellectual property rights were matched, and the range of welding parameters officially put into trial production was determined.
It is understood that the trial-proven X100 steel grade, diameter 1219 mm, and wall thickness 15.3 mm spiral welded pipe have been rigorously tested and the main technical standards have met the requirements for the construction of the West Second Line, which provides a powerful force for upgrading the future of oil and gas pipelines in China. Basic protection.