首页|Effect of casting process on the inner-wall band segregation of high-strength antisulfur pipes
Effect of casting process on the inner-wall band segregation of high-strength antisulfur pipes
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Controlling inner-wall band segregation is one of the difficulties in the production of high-strength antisulfur pipes.Comparative tests were carried out on different casting processes (superheat,mold electromagnetic stirring,end electromagnetic stirring,casting speed and soft reduction)for the smelting of high-strength antisulfur pipes.The microstructures of continuous-casting billets and hot-rolled or tempered pipes were analyzed using a metallographic microscope and scanning electron microscope.The mechanism and evolution law regarding the inner-wall band segregation of high-strength antisulfur pipes were studied,and the influence of different casting processes was explored.
high strengthantisulfur pipecasting processspot segregationband segregation
LUO Ming、ZHANG Zhonghua
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Research Institute,Baoshan Iron&Steel Co.,Ltd.,Shanghai 201999,China
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