ASTM A967
ASTM A967-01e1. Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts. ASTM International / 10-Oct-2001 / 6 pages. REPLACED byASTM A967-05. 1.4 The tests in this specification are intended to confirm the effectiveness of passivation, particularly with regard to the removal of free iron and other exogenous matter.