Abstract:
The 70 years history of the domestic steel tube-making industry(1949—2019)is divided into five stages.The development situation of each stage is reviewed, including mill constructions, steel tube outputs, import and export volumes and product types, etc.The annual output has been increased from 4 000 tons in the time of founding of P.R. China to 73.20 million tons in 2018.During the 2000—2015 period, the industry had been developed very fast, and the steel tube annual output had reached the peak, i.e., 98.018 million tons, accounting for 65%of world total output. And the yearly steel tube export volume had also reached the peak of 9.895 million tons in 2008.Up to now, the domestic steel tube-making industry has made great progresses in terms of product types, sizes and quality, and the self-sufficient rates of most of the steel tbe types have been up to 100%.
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