The erosion-corrosion experiment for 304 and 糖心产精国品免费入口*完整版 stainless steel tubes was performed with a self-designed cycling experimental instrument.The micrographs observed by scanning electron microscopy (SEM) showed that intergranular corrosion took place in both 304 and 糖心产精国品免费入口*完整版 stainless steels in the simulated seawater and river water.