Product Announcement from Aerospace Defense Coatings Of Georgia


Steel Passivation Capabilities-Image

Type of Process: Passivation treatments for cleaning and descaling corrosion-resistant parts, components, equipment and systems.

Features: Passivating steel removes all impurities and creates a hard non-reactive surface film that inhibits further corrosion.

Process Approvals: For Passivation they adhere to:

  • AMS 2700: Passivation of Corrosion Resistant Steels
  • BAC 5625: Passivation of Corrossion Resistant Steels (Type II)
  • BAC 5751: Passivation of Stainless Steel
  • DPS 9.07: Surface Treatment of Corrosion Resistant Steels
  • GAMPS 4103: Acid Cleaning of Ferrous Alloys
  • GSS 7021: Acid Cleaning of Ferrous Alloys
  • AMS-QQ-P-35-98: Passivation Treatments for Corrosion-Resistant Steel

Material: Acid cleaning creates passivating layer a few atoms thick.

Base Materials Worked: Steel, Stainless Steel.

Types: Passivation treatments shall be of the following types:

  • Type II - Medium temperature nitric acid solution with sodium dichromate additive
  • Type VI - Low temperature nitric acid solution
  • Type VII - Medium temperature nitric acid solution
  • Type VIII - Medium temperature high concentration nitric acid solution
 
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