首页> 外国专利> METHOD FOR IMPROVING PITTING CORROSION RESISTANCE IN WELDS THROUGH SURFACE MODIFICATION AND STAINLESS STEEL COMPRISING THE WELDS

METHOD FOR IMPROVING PITTING CORROSION RESISTANCE IN WELDS THROUGH SURFACE MODIFICATION AND STAINLESS STEEL COMPRISING THE WELDS

机译:通过表面改性和包括焊缝的不锈钢提高焊缝抗点蚀性的方法

摘要

PURPOSE: A stainless steel including a pitting corrosion resistance improvement method and a welding unit through improvement surface modification is provided to improve pitting corrosion resistance by reducing oxide inclusion and to reduce costs by applying a GTAW welding method of low costs as postprocessing technology. CONSTITUTION: A welding unit is prepared. Harmful inclusion(12) is reduced by remelting(13) a surface of the welding unit in inert gas atmosphere. A step of reducing the inclusion is comprised by a GTAW method.
机译:目的:提供一种不锈钢,其包括耐点蚀性改进方法和通过改进表面改性的焊接单元,以通过减少氧化物夹杂物来提高耐点蚀性并通过采用低成本的GTAW焊接方法作为后处理技术来降低成本。构成:已准备好焊接装置。通过在惰性气体气氛中重熔(13)焊接单元的表面,可以减少有害的夹杂物(12)。通过GTAW方法包括减少夹杂物的步骤。

著录项

  • 公开/公告号KR101359221B1

    专利类型

  • 公开/公告日2014-02-05

    原文格式PDF

  • 申请/专利权人

    申请/专利号KR20110099983

  • 发明设计人 김정길;한일욱;이봉근;

    申请日2011-09-30

  • 分类号C21D9/50;

  • 国家 KR

  • 入库时间 2022-08-21 15:41:33

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