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Upswing: Shijiazhuang Steel Heavy Bar Production Line Built by CISDI
2015-01-19 02:44:05
Upswing: Shijiazhuang Steel Heavy Bar Production Line Built by CISDI
Load Test of Shijiazhuang Steel Heavy Bar Mill

HBIS Shijiazhuang Steel passed its load test of increasing reduction ratio of breakdown mill (BDM) project on October 23, 2014. Since then, it has been engaged in pilot production, achieving product specification precision even higher than national standard and keeping ahead in its overall equipment configuration level of world’s similar mills. Such heavy bar mill would produce quality carbon structural steel, tubular billet steel, alloy structural steel, pinion steel, spring steel and bearing steel, totally 700,000t per year. Dimensionally speaking, the round bars are in diameter of Ф80mm~Ф350mm, rolled billets 150mmx150mm and 180mmx180mm.  

 CISDI was responsible for the process design of whole line and package supply from exit of reheating furnace to collection end of cooling bed. From then on, the heavy bar main equipment can be manufactured completely in China, and CISDI has brought about upswing of development and integration of core and supporting equipment for Ф350mm heavy bar mill, which had been dominated by overseas companies. CISDI’s breakdown mill is designed with maximal diameter of 1,350mm rolls, largest in domestic similar bar mills. CISDI-initiated anti-reverse technology in the BDM automatic rolling filled in the blank in this regard in China. CISDI-developed new-style short-stress path mill offered an effective guarantee on final product’s high dimensional precision.
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