• S450 hot rolled strips for line pipe is researched and developed through the technology microalloying, ASP and the processes of controlled rolling and controlled cooling in Jinan Iron and Steel co.

    利用合金化技术及ASP连铸连轧工艺工艺,济钢自主研发了S450热轧管线带产品。

    youdao

  • S450 hot rolled strips for line pipe is researched and developed through the technology microalloying, ASP and the processes of controlled rolling and controlled cooling in Jinan Iron and Steel co.

    利用合金化技术及ASP连铸连轧工艺工艺,济钢自主研发了S450热轧管线带产品。

    youdao

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