Categoría: Industry News

Proper Use of HSS Roll

Proper Use of HSS Roll

HSS rolls have excellent wear resistance, and their service life in the finishing stand of hot mill is 3~6 times that of high chromium iron rolls. Uneven temperature distribution on the roll surface of HSS rolls will easily produce uneven thermal expansion, resulting in oxide film shedding and affecting the…
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Commodity Prices Rising

Commodity Prices Rising

China’s state reserves authority on Wednesday released a total of 150,000 tons of copper, aluminum, and zinc from the national reserves to alleviate burdens on businesses over rising raw material costs. This is the third batch of releases to the market. Previously, China has released a total of 270,000 tons…
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Rolling Tension Judgement

Rolling Tension Judgement

In the continuous rolling process, there is differential metal flow rate two adjacent rolling mills, when the metal flow of the rear mill is greater than of the front mill, workpiece between two mills will be subject to pulling force the front mill, this force is usually called tension. Tension acts on the workpiece and can reduce resistance of the workpiece along rolling direction, thus the flow…
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Assist Zhengzhou Fighting Floods

Assist Zhengzhou Fighting Floods

China allocates 3bln yuan for henan flood recovery. In addition, Henan province got huge support from all parts of the country. Countless Chinese companies and individuals actively contribute money and offer emergency aid services to Zhengzhou regions in Central China’s Henan province, at late July Zhengzhou region was lashed by…
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Compact Hot Rolling Mills

Compact Hot Rolling Mills

What are the main characteristics of compact rolling mills? Compact hot rolling mills have high rolling reduction, its main features are as follows. The spacing of mills is small, and the former mill pushes the piece into the latter mill to achieve forced nibbling, so as to carry out a…
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Small-scale Steel Mill

Small-scale Steel Mill

Small scale steel mills may have large space to grow and turns much strong, and many samll plants have given perfect answer. Time has proved small steel plants have more chances to become Industry Magnates. SME specially develops mini rolling systems to help small entrbusinesses have a good start point. Key features…
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Surface Quality of Strip Steel

There are common defects of hot rolling strip steel. Scarring Cracks of slabs aren＊t fully cleaned up, thus it forms scars in the rolling; if the slab is overheating, especially chromium stainless steel, easily form scars. There is a large number of non-metallic inclusions on the surface of the billet…
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