标准编号：ISO 23721:2022
中文名称：金属和合金的腐蚀 不锈钢大气腐蚀的锈蚀和污渍外观评级方法
英文名称：Corrosion of metals and alloys — Rating method by appearance of rust and stains of atmospheric corrosion for stainless steels
发布日期：2022-03
标准范围
This document specifies a method for evaluating the aesthetic appearance of stainless steels qualitatively by rating rust and stains formed by atmospheric corrosion. The rust and stains on stainless steels formed by atmospheric corrosion are rated by using 10 photographic standards. This method is especially suitable for evaluating the appearance of specimens and structures made of stainless steels under atmosphere exposure.
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