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BIMETALLIC COMPOSITE BACK-UP ROLL FOR A HOT ROLLING MILL
BIMETALLIC COMPOSITE BACK-UP ROLL FOR A HOT ROLLING MILL
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机译:热轧机的双金属复合后备轧辊
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摘要
A bimetallic composite back-up cylinder for a rolling mill, in particular for a four-coil or six-roll stand of a hot strip train finisher, comprises a metal envelope made of a steel having a chromium content between 13 and 17 wt. %, and a carbon content between 0.5 and 0.8 wt. % the chromium/carbon ratio being between 20 and 25.
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