ASTM B633 ClassificationsASTM B633 includes four classifications. Each classification specifies both Type and Service Condition:Type (Type I,II,III,IV,V, or VI) – to determine which supplemental treatment or chromate to apply. Service Condition (SC1, SC2, SC3 or SC4) – to define the minimum...
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1 Do all ASTM B633 Type II platings use Hexavalent Chromium? Ans: The answer is Yes. ASTM B633 and all other worldwide standards were written around the time when no one spoke about trivalent. It definitely implies Hex Chrome. 2 Can you get a type II finish that uses Trivalent? Ans: ...