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    3種典型熱軋無縫鋼管機(jī)組的產(chǎn)品壁厚精度淺析

    An Initial Discussion on Wall Thickness Tolerances of Seamless Steel Tubes Hot-rolled with Three Different Types of Pipe Mills

    • 摘要: 如何獲得更高的熱軋無縫鋼管的尺寸精度是新建或改造軋管機(jī)組重點(diǎn)考慮的問題。在簡(jiǎn)要介紹幾種類型熱軋管機(jī)組基本生產(chǎn)工藝過程和實(shí)際生產(chǎn)情況的基礎(chǔ)上,對(duì)不同軋管機(jī)組所軋鋼管的壁厚尺寸進(jìn)行了隨機(jī)檢測(cè);分析了各種機(jī)組產(chǎn)品壁厚的實(shí)際精度水平和影響產(chǎn)品壁厚精度的因素。

       

      Abstract: 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.Briefed here in the paper are the basic manufacturing process flows and operation practices of several types of tube mills.Random inspections of wall thickness tolerances of the tubes as produced by the said tube mills are made,based on which,the tube wall thickness tolerance as resulting from each individual mill and the elements responsible for the wall thickness tolerance are analyzed.

       

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