QQ-P-35C

Passivation treatments for Corrosion Resistant Steel
Thickness Time / %Sodium Dichromate / % Vol. Nitric Acid
Type I Withdrawn
Type I I 120-130 F 20 min. / 2-2.5 / 20-25%
Type I I I Withdrawn
Type I V Withdrawn
Type V .Withdrawn
Type V I 70-90 F 30 min. / 0 / 25-45%
Type V I I 120-150 F 20 min. / 0 / 20-25%
Type V I I I 120-130 F 30 min. / 0 / 45-55%
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