发明名称 ROLLED FERRITIC STAINLESS-STEEL PLATE, PROCESS FOR PRODUCING SAME, AND FLANGE COMPONENT
摘要 The present invention provides a rolled ferritic stainless steel material excellent in corrosion resistance and toughness, in particular suitable as a material for a flange and a method for producing the same and flange part. The rolled ferritic stainless steel material contains, by mass%, C: 0.001 to 0.08%, Si: 0.01 to 1.0%, Mn: 0.01 to 1.0%, P: 0.01 to 0.05%, S: 0.0002 to 0.01%, Cr: 10.0 to 25.0%, and N: 0.001 to 0.05%, has a balance of Fe and unavoidable impurities, has a thickness of 5 mm or more, and has an area ratio of crystal grains with a <011> direction within 15° from the rolling direction of 20% or more in a cross-section parallel to the rolling direction at any location between the left and right ends of the steel sheet.
申请公布号 EP3124635(A1) 申请公布日期 2017.02.01
申请号 EP20150768500 申请日期 2015.03.26
申请人 Nippon Steel & Sumikin Stainless Steel Corporation 发明人 HAMADA, Junichi;ITO, Koji
分类号 C22C38/00;C21D8/02;C22C38/18;C22C38/60 主分类号 C22C38/00
代理机构 代理人
主权项
地址