Reduction of ferrite phase in austenitic stainless steels by controlling content of Cr-Ni equivalent
Revista de Ciencias Tecnológicas(2020)
摘要
AISI 316L austenitic stainless steels are very common in the industry. Large amounts of this material are discarded as a chisel and can subsequently be used as recycled material for casting. In marine environments (highly corrosive), this type of steel presents intragranular corrosion, specifically in one of its phases, in the ferrite, so it is preferred to keep it at the lowest possible proportion (1%), but usually it is found around the 12% of it. If a casting is required to transport a pressurized fluid from AISI 316L steel, it should be performed according to considerations described in ASTM A351 Standard. We find that CF3M steel is the most similar in terms of elemental chemical proportions of its components. Therefore, the Schaeffler and Schoefer diagrams were used to reduce the content of "equivalent ferrite" by at least 90%, making adjustments in the casting by modifying the Ni and Cr percentages.
更多查看译文
关键词
aceros inoxidables austeníticos,ferrita,diagrama de schaeffer,diagrama de schoefer
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要