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不锈钢储罐的酸洗钝化

编辑:无锡市雪浪金属化工设备厂 时间:2018-11-16

不锈钢储罐之所以具有如此优良的耐腐蚀性能,一方面是选材严格,另一方面是因为铬和镍加入铁中形成固容体。当铬镍的含量超过一定值,则在氧化性介质中钢的表面形成一种保护性的氧化膜,从而防止腐蚀,这就是铬和镍的钝化作用。也就是说,为了进一步提升不锈钢储罐的耐腐蚀性能,就需要进行酸洗钝化处理。


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