It was informed on December 25 that the first large-diameter spiral submerged arc welded steel pipe of Chinese petroleum equipment was successfully trialled in Yangzhou Steel Pipe Company of Bohai Sea Equity Equipment Co., Ltd. The steel pipe with a caliber of 3048 mm and a wall thickness of 25.4 mm, made of Q235B steel, Another breakthrough was made in the production technology of large-caliber large-wall-thickness water pipelines inside China's oil industry.
This year, Yangzhou Steel Pipe Co., Ltd. implemented the strategy of transformation and development, continuously expanded the development of non-oil and gas pipelines in the social market, conducted research and development on the demand of the market, expanded the capacity of screw-fly welding units, and realized the series of ultra- Production, refresh the company's spiral submerged arc welded pipe manufacturing record of large diameter. Yu Li-Min photo coverage
