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  1. DQX1

    AMS2700 / ASTM A967 Passivation

    I'm looking for a passivation type for 304ss and 17-4PH per AMS 2700. According to my resources, the 304 ss get passivated by HNO3 (nitric acid). I have drawing document that is specifying AMS 2700 type 6 or 7, for both 304ss and 17-4PH. Can someone provide advise on what type? The part is for...

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