摘要
本文讨论１４００尿素合成塔维修时的焊接材料，提出衬里焊接使用的材料以ＳＵＳ３１６Ｌ、ＥＲ３１６Ｌ、００Ｃｒ２５Ｎｉ２２Ｍｏ２Ｎ为宜．
Abstract The paper is dealt with the welding materials employed in the repairing of urea reactor. The thor claims that for reactor's lining welding the SUS316L、ER316L、00Cr25Ni22Mo2N are applicable.
