July 17, Steel declared successful development of smelting 18 furnace, 2538 tons, high strength low temperature angle steel Q420C, to fill the low temperature resistance in the C-class angle steel production blank.Inspection, analysis, angle steel of high strength low temperature the Q420C chemical composition of this batch all meet the standards, qualified for 100%, and laid the foundation for subsequent mass production.
 
C-level resistance to low temperature angle steel production in the country was still a blank, with angle iron as the Eiffel Tower, mainly for EHV, UHV transmission lines construction projects, the market prospect is broad. Development of the varieties, Xuan Steel take full advantage of Q345B, Q420B angle mature production technology, scientific development, optimize the smelting program. As the steel compared to ordinary angle, P, low S-content requirements, declared the steel into the furnace hot metal desulfurization slag processing, optimize the charge ratio, strict endpoint control, effective control of the amount of alloy to ensure the steel performance stability. Production process control fine collaboration between the various processes, and strict implementation of various process systems and process requirements. The smelting, expanding the range of varieties of the declaration of steel sections, and further improve the structure of steel varieties.



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