缩写PMI 什么含义？Special tests？ 给一个有关定义(只是针对我们行业的,其他的不清楚没有发言权),一般的安装是不用做pmi检测的,除非有疑问或者争议.通常用于易燃易爆场所的材料抽样检测. 2.1 this specification applies to pmi of materials used in hyco plant piping and equipment including vessels, heat exchangers, valves, pipe, fittings, weld filler material, fasteners, and gaskets, for which verification of material compositions are necessary to ensure safe operation of the plant. 2.2 pmi testing is not required for piping and equipment with 3.1b inspection certificates that indicate chemical composition, and the use of the material is verified by an independent inspection authority. 2.3 this specification is intended for contractors and fabricators that are approved suppliers of goods and services to employer, and as such have a sound quality program as determined by audits and/or past experience. approved suppliers are those that have been qualified by either regional or global engineering and procurement teams and are listed on the appropriate approved supplier list. other situations may require additional examinations as defined in project specifications. 3. related documents 3.1 american society of mechanical engineers (asme) bpvc section ii materials 3.2 american society for testing and materials (astm) a 193 standard specification for alloy-steel and stainless steel bolting materials for high-temperature service a 194 standard specification for carbon and alloy steel nuts for bolts for high-pressure and high temperature service 3.3 european standard en 10204 metallic products – types of inspection documents 上一个检测报告看一下就一目了然啦. [ ]查看更多
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