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超铁素体不锈钢的进展与展望
引用本文:余存烨,胡憔本. 超铁素体不锈钢的进展与展望[J]. 石油化工腐蚀与防护, 2008, 25(4): 5-7
作者姓名:余存烨  胡憔本
作者单位:1. 中国石化上海石油化工股份有限公司,上海,200540
2. 广州钢铁公司,广东,广州,510380
摘    要:由于镍资源紧缺与钛价上涨,发展超铁素体不锈钢部分代替超奥氏体、双相不锈钢及钛材,是冶金工业发展的趋势。介绍了一种美国开发的超铁素体不锈钢——SEA—CuRE海优钢(UNSS44660)的性能特点,包括耐腐蚀性能(抗Cl^-的点蚀、缝蚀与应力腐蚀,抗冲蚀)以及力学性能、加工性能、热学性能和抗振性能等,可以作为电厂凝汽器与石化换热器的优选用材。报道了SEA—CuRE钢在电厂与石化的应用实例,并提出了在石化厂有关装置上应用的建议。

关 键 词:超铁素体不锈钢  腐蚀  应用

Development of Ultra-Ferrite Stainless Steels
YU Cunye,Hu Qiaoben. Development of Ultra-Ferrite Stainless Steels[J]. Petrochemical Corrosion and Protection, 2008, 25(4): 5-7
Authors:YU Cunye  Hu Qiaoben
Affiliation:Yu Cunye, Hu Qiaoben( 1. SINOPEC Shanghai Petrochemical Co. , Ltd. , Shanghai 200540; 2. Guangzhou Iron & Steel Company , Guangzhou, Guangdong 510380)
Abstract:Due to the tight supply of nickel and rising price of titanium, application of ultra - ferrite stainless steels to partially replace austenitic stainless steel or duplex steel has become the developing trend of metallurgical industry. The characteristics of SEA -CuRE (UNSS44660) steel ultra -ferrite stainless steel developed by a US company are described, including corrosion resistance performances (resistances to Cl^- pit corrosion, crevice corrosion and impingement corrosion), mechanism performance, processing performance, thermal performance and anti - vibration performance. It can be selected for the condensers in electric power plants and heat exchangers of petrochemical plants. The application of SEA - CuRE steel in power plants and petrochemical plants are presented and wide application in petrochemical process units is recommended.
Keywords:ultra - ferrite stainless steel   corrosion   application
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