The said calculation formula is useful for accurate control of the final tube wall thickness tolerance.
该计算式对精确控制成品管壁厚精度具有实际意义。
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-rolling tube mill.
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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