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US5472579A Hot-rolled steel strip manufacturing and descaling method and apparatus 失效
热轧钢带制造及除垢方法及装置

Hot-rolled steel strip manufacturing and descaling method and apparatus
摘要:
This invention provides a method and an apparatus for removing scales from hot-rolled steel strips to produce steel strips with excellent surface conditions. In a pickling facility to pickle the hot-rolled steel strip, the pickling method of this invention passes an electric current through the continuously fed, hot-rolled steel strip in one or more of a plurality of pickling tanks. A means to supply an electric current is also provided.
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