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精密無縫管形變

精密無縫管用軋鋼圓管料方坯或初軋板坯作原材料，經(jīng)步進式加熱爐加溫，髙壓水除鱗后進到粗熱連軋，粗軋料經(jīng)切頭、尾、再進到精熱連軋，執(zhí)行計算機系統(tǒng)控制冷軋，終軋后即通過層.流制冷和卷取機放卷、變成直發(fā)卷。

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