SAE AMS 2470M Anodic Treatment of Aluminum Alloys Chromic Acid Process

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SAE AMS 2470M Document Information:

Title
Anodic Treatment of Aluminum Alloys Chromic Acid Process

SAE International

Publication Date:
Apr 1, 2007

Scope:

Purpose

This specification establishes the requirements for anodic coatings on aluminum alloys.

Application

This process has been used typically to increase corrosion resistance and to provide surfaces which will promote adherence of paint and other organic finishes, and has been found useful for assemblies which have faying surfaces and/or which may trap electrolyte, but usage is not limited to such applications.

This process is primarily applicable to aluminum and aluminum alloy parts which have nominal copper content not greater than 5% by weight or total nominal alloy content not greater than 7.5% by weight, AMS 2471 being recommended for parts having higher alloy content. Coating may be dyed if specified, but AMS 2472 is recommended where a colored finish is required.

Safety - Hazardous Materials

While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measure to ensure the health and safety of all personnel involved.

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