通过腐蚀浸泡试验、形貌观察、极化曲线等方法，研究了0Cr13铁素体不锈钢在FeCl₃溶液中的点蚀行为。结果表明：在6% FeCl₃（质量分数）溶液中，0Cr13不锈钢点蚀过程伴随着明显的全面（均匀）腐蚀，温度升高，点蚀坑数量和深度随之增加，均匀腐蚀加剧；均匀腐蚀引起的试样减薄，造成点蚀形貌失真，无法真实反映点蚀程度；0Cr13不锈钢表面点蚀坑属于开放式点蚀坑，数量虽多，但蚀孔深度相对较小，304L不锈钢表面点蚀坑属于皮下型或底彻型点蚀坑，呈溃疡状特征，具有很强的“深挖动力”，破坏能力更强。

Pitting corrosion behavior of 0Cr13 ferritic stainless steel in FeCl₃ solution was studied by corrosion immersion test, corrosion morphology observation and polarization curve testing. The results show that obvious general corrosion occurred during the pitting corrosion process in 6% (mass) FeCl₃ solution. The quantity and depth of pits increased with the rise in temperature, and general corrosion was more serious. Pitting morphology was disturbed by the thickness reduction of specimen because of general corrosion, so the degree of pitting corrosion could not be reflected accurately. The pits occurring in the surface of 0Cr13 stainless steel had open style shapes, with substantial quantity but small depth. However, the pits occurring in the surface of 304L stainless steel had subsurface style shape or undercutting style shape, which had more deep cutting power and destructive ability.