China steelmaking technology progress in the 13th five-year plan and prospection
| China steelmaking technology progress in the 13th five-year plan and prospection |
| YANG Li-bin |
| Central Iron and Steel Research Institute, Beijing 100081, China |
| Abstract：During the 13th Five Year Plan period,the rapid development of China′s steelmaking technology has made great progress in mechanism innovation,key process technology and equipment research,high-quality steel high-efficient production,intelligent control,low-carbon and green development and so on. Crude steel output of China continues to increase,which has reached 56.49% of the total output of world. The stable production of high-quality steel provides a guarantee for China′s rapid economic development. The progress of steelmaking science and technology during the 13th Five Year Plan period has been reviewed and summarized in this paper. The key technical achievements has been summarized into two aspects: “development and application of key technologies of high-quality steel steelmaking and continuous casting” and “research and development of clean steel efficient and green steelmaking and continuous casting technology”. “Development and application of key technologies of high-quality steel steelmaking and continuous casting” mainly includes: the development of high-quality stainless-steel deoxidization and inclusion control technology, thin slab continuous casting and rolling production technology of electrical steel, heavy axle steel metallurgy technology, high-speed and heavy-load railway rail steel steelmaking technology, special varieties of high alloy steel smelting and continuous casting key technology; The main development of “research and development of clean steel efficient and green steelmaking and continuous casting technology” is reflected in: large converter high efficiency, green smelting key technology, green electric furnace high efficiency smelting technology, high quality special steel green and efficient electroslag remelting key technology, high quality steel high efficiency continuous casting technology. To realize the independent guarantee of key steel materials it is an important task for the steel industry to accomplish innovative development. Combined with the development needs and position of the “14th five-year plan”, the key development directions of steelmaking technology in the future include should be summarized 4 points which include innovation and application of efficient and collaborative production technology of clean steel steelmaking and continuous casting, integration and application of intelligent control technology of steelmaking and continuous casting, application of low-carbon and green production technology and near final continuous casting and rolling technology. |
| Key words： 13th Five Year Plan steelmaking high-quality steel high efficiency low carbon intellectualization |
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