It Should Be Simple Right?
There are so many specifications for stainless steel passivation. ASTM A967, ASTM A380, AMS2700C, QQ-P-35, just to name a few. And then there are so many options within those specifications like nitric acid, sodium dichromate, citric acid, citric paste, temperature, time, …. How is one to choose? Who can help? I’m at my wits’ end! – how about you?