Zhejiang Nisshin Worthington starts up Z-Hi reversing cold mill supplied by Primetals Technologies

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First mill of this type to process wide strips at high rolling speeds of up to 800 m/min
Produces up to 120,000 metric tons per year of precision specialty steels mainly for automotive applications
Mill can be run in two different reduction modes
Mill features newly designed quick roll changing device
Automatic gauge control(AGC) and automatic shape control (ASC) optimize shape and flatness of the strip

On October 25, a Z-Hi reversing cold mill supplied by Primetals Technologies was officially inaugurated at the Pinghu, China production site of Zhejiang Nisshin Worthington Precision Specialty Steel Co., Ltd. The mill had commenced operation in July. It is designed to produce 120,000 metric tons per year of precision specialty steels, mainly for automotive applications. It is the first mill of this type worldwide capable of processing wide strips at high rolling speeds of up to 800 m/min. The aim is to serve the world´s largest automotive market, where a significant increase in demand for special steel coils and sheets is expected. The mill can be run in two different reduction modes and features a newly designed quick roll changing device. Automatic gauge control (AGC) and automatic shape control (ASC) optimize shape and flatness of the strip. The order to supply the mill was awarded to Primetals Technologies in December 2013.