The wall thickness tolerance of hot-rolled seamless steel tubes is a major issue which has to be addressed in case of operation of any newly-built or modified hot-rollingtubemill.
如何获得更高的热轧无缝钢管的尺寸精度是新建或改造轧管机组重点考虑的问题。
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A main transmission connecting shaft for a three-roller continuous tuberollingmill relates to a production device of a seamless steel pipe.