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OXIDATION AND CORROSION RESISTANT AUSTENITIC STAINLESS STEEL INCLUDING MOLYBDENUM

机译：含钼的抗氧化和耐腐蚀奥氏体不锈钢

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摘要

An austenitic stainless steel comprising, by weight, 17 to 23 % chromium, 19to 23 %nickel, 1 to 6% molybdenum. The addition of molybdenum to the iron-base alloysof theinvention increases their resistance to corrosion. The austenitic stainlesssteel may consistingessentially of, by weight, 19 to 23 % chromium, 19 to 23 % nickel, 1 to 6 %molybdenum, 0 to0.1 % carbon, 0 to 1.5 % manganese, 0 to 0.05 % phosphorus, 0 to 0.02 %sulfur, 0 to 1.0 %silicon, 0.15 to 0.6 % titanium, 0.15 to 0.6 % aluminum, 0 to 0.75 % copper,and a remainderbeing iron and incidental impurities. Austenitic stainless steels according tothe presentinvention exhibit enhanced resistance corrosion by salt at a broad temperaturerange up to atleast 1500 °F. Thus, the stainless steel of the present invention wouldfind broad applicationas, for example, automotive components and, more particularly, as automotiveexhaust systemcomponents and flexible connectors, as well as in other applications in whichcorrosionresistance is desired.

机译：奥氏体不锈钢，按重量计包含17％至23％的铬，19％至23％镍，钼含量为1％至6％。在铁基合金中添加钼的发明增加了它们的耐腐蚀性。奥氏体不锈钢钢可能组成以重量计，基本上是19％至23％的铬，19％至23％的镍，1％至6％钼，0至碳0.1％，锰0-1.5％，磷0-0.05％，0-0.02％硫0至1.0％硅，0.15至0.6％的钛，0.15至0.6％的铝，0至0.75％的铜，和其余的是铁和杂物。奥氏体不锈钢，符合现在发明在宽温度下表现出增强的抗盐腐蚀性能范围高达至少1500°F。因此，本发明的不锈钢将广泛应用作为，例如，汽车零部件，更具体地说，是汽车排气系统组件和柔性连接器，以及在其中的其他应用中腐蚀需要抵抗力。

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公开/公告号CA2407637C

专利类型
公开/公告日2013-03-12

原文格式PDF
申请/专利权人 ATI PROPERTIES INC.;
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申请/专利号CA20012407637
发明设计人 RAKOWSKI JAMES M.;
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申请日2001-08-17
分类号C22C38/50;F01N13/08;F01N13/16;C22C30;C22C38/06;C22C38/44;
国家 CA
入库时间 2022-08-21 16:38:27

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