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COUNTERMEASURE FOR THE PROBLEMS OF CONTINUOUS CASTING OF RE-TREATED STEELS

While the RE-treated steels were cast at PZH Steel Co., the RE oxide (RE x O y ) had influence on the properties of mold powders,which brought about low casting speed,high breakout rate and poor slab surface quality and also had the harmful effects on production and development of these steels.The countermeasures for strengthening the control of continuous casting and developing the proper mold powders were put forward based on the analyses of the difficult points continuous casting of RE-treated steels.