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    Φ460 mm連軋管機(jī)生產(chǎn)大直徑不銹鋼鋼管的實(shí)踐

    Practice of Manufacturing Large-sized Stainless Steel Tube with Φ460 mm Mandrel Mill

    • 摘要: 介紹了Φ460 mm PQF三輥連軋管機(jī)組生產(chǎn)TP304不銹鋼鋼管的生產(chǎn)工藝、過(guò)程控制要點(diǎn)以及產(chǎn)品質(zhì)量的情況。根據(jù)ASME SA 213/SA 213M—2004標(biāo)準(zhǔn)要求，所有奧氏體鋼管應(yīng)是以熱處理狀態(tài)供貨，且TP304熱處理應(yīng)加熱至最低溫度1 040℃，并在水中淬火或用其他方法迅速冷卻，在步進(jìn)爐熱處理線上對(duì)鋼管進(jìn)行了固溶熱處理。生產(chǎn)實(shí)踐結(jié)果表明：Φ460 mm PQF三輥連軋管機(jī)組適合軋制高合金不銹鋼無(wú)縫鋼管，且產(chǎn)品的各項(xiàng)技術(shù)和性能指標(biāo)符合ASME SA 213/SA 213M—2004標(biāo)準(zhǔn)要求。

       

      Abstract: Elaborated here in the article are the main aspects of production of the TP304 stainless steel tube with the Φ460 mm 3-roll PQF mill operation line, including the manufacturing process, the tips of in-process control, and the product quality, etc.As required by ASME SA 213/SA 213M-2004, any austenitic steel pipe must be furnished under as-heat treated conditions.And for the TP304 stainless steel tube, it must be heated to minimum 1 040℃, and then quenched with water or with any other process to be quickly cooled down prior to undergoing solid solution heat treatment on the walking beam furnace heat treatment line.The actual production practice shows that the Φ460 mm 3-roll PQF mill is suitable for rolling high alloy stainless steel seamless tubes with all the technical and properties specifications up to the requirements as specified under ASME SA 213/SA 213M-2004.

       

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