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Passivation  (Types II, VI, VII, VII)


  AMS 2700, QQ-P-35, ASTM A 967, PRC-5002 (NASA) and other specifications
  Salt Spray, Water Immersion and Copper Sulfate testing available
  Hydrogen embrittlement relief available
  Certificates of compliance provided at customer request
  Custom masking and polishing also available
 
  Quality Control Manual available upon request

Passivation is the treatment of a stainless steel with a mild acid solution. It is intended to promote the formation of a thin transparent oxide film that will prevent any rust spotting.

This process removes free iron and other foreign matter imbedded in or smeared on the surface during machining, pressing, tumbling, lapping and abrasive blasting that if allowed to stay will produce rust spots on the stainless steel surface.

 



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