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1 个结果
  • 简介:Ultrapureferriticstainlesssteelhasmoreadvantagesintheperformancethantheordinaryferriticstainlesssteelbecauseofultralowcarbonandnitrogencontent,suchascorrosionresistance,toughnessandweldability,etc.Suchsteelhasthereforebeenappliedinmanyfields,leadingtotheveryrapiddevelopmentoverthepast40years.Thisstudyfocusesonthesecondaryrefiningprocesswhichisthemostimportantstepofthewholesteelmakingprocessfortheultrapureferriticstainless.Firstly,somedifficultiesofthesecondaryrefiningprocessaredescribed,includingthehighpurificationintermsofbothcarbonandnitrogencontents,highefficientandstablecontrol.Secondly,thedevelopmentandprogressofthesecondaryrefiningtechnologyforultrapureferriticstainlessisintroducedintermsoftherefiningequipments,metallurgicalprocessandassistanttechnologies.Finally,theprospectwasmadeforthedevelopmentofsecondaryrefiningprocessforultrapureferriticstainlessinthefuture.

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