哥们,建议不要直接从网上摘录这些内容,还是直接学习原版的标准可能效果会更好一点:
1. ASTM A380 / A380M - 13 Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems;
2. ASTM A967 / A967M - 13 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts.