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    高合金無縫鋼管軋制新技術(shù)

    NEW TECHNOLOGY FOR ROLLING OF HI-LLOY STEEL SEAMLESS TUBES

    • 摘要: 介紹了日本住友金屬公司采用大交叉角錐形二輥式穿孔機(jī)+連軋管機(jī)生產(chǎn)高合金不銹鋼管的新技術(shù)。

       

      Abstract: The author introduces a new technology for rolling of hi-alloy steel seamless tubes developed by Sumitomo Metal Industries, Ltd., Japan which involves a combination process with a piercer having two coned rolls cross-arranged with a large angle and a mandrel pipe mill.

       

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