Passivate

Definition:
Passivation is the removal of exogenous iron or iron compounds from the surface of stainless steel by means of a chemical dissolution. The passivation removes contamination left behind from machining and fabricating processes. Contaminants left on the part could result in corrosion and deterioration of the stainless steel.Specs:
ASTM A967
Method
Nitric 1, 2, 3, 4, 5
Method
Citric 1, 2, 3, 4, 5

QQ-P-35
Type II, VI, VII, VIII

Mil-STD-171, 5.4.1

ASTM A380

Available Process(es):
Hand-line

Note:
Passivate is a RoHS compliant finish.