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              縮徑異型管高壓異型管縮頸是金屬管加工減徑彎頭和減徑接頭的工藝。中頻加熱升壓過程中,將要加工的管子按要求的長度切成段,套在芯棒上;將內芯頭模制成與成品一致的漸變圓形截面本體現在聯系

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              碳鋼管縮徑我公司精密直縫焊管加工廠生產的無縫碳鋼管縮徑規格為:外徑為25mm-133mm*2mm-38mm的無縫鋼管,外徑為16mm-89mm*1mm-14mm精密光亮無現在聯系

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