金属和合金的腐蚀 工业冷却水中不锈钢腐蚀状态监测方法

[中文适用范围]： 本标准规定了利用极化电阻与腐蚀电位相结合的方法，监测工业冷却水中不锈钢材质的换热管、换热板及其他部件腐蚀状态的技术与判定准则。本标准适用于工业冷却水或类似介质中不锈钢腐蚀状态的监测，以及工业冷却水腐蚀性的评估。所用冷却水一般取自天然水、自来水或再生水。本标准的适用范围为：pH值5.0至11.0、温度0℃至60℃、电导率大于20μS/cm的工业冷却水。 [外文原描述]： This document specifies the method and criteria for monitoring corrosion states of heat exchange tubes, heat exchange plates and other components made of stainless steel in industrial cooling water by combination of polarization resistance and corrosion potential. This document is applicable to the monitoring of the corrosion states of stainless steel in industrial cooling water or similar media, as well as the monitoring of the corrosiveness of industrial cooling water. The cooling water is generally taken from natural water, tap water and reclaimed water. It is applicable to industrial cooling water with pH value of 5,0 to 11,0, temperature of 0 °C to 60 °C, and conductivity higher than 20 μS/cm.