Etch Inspection of High Strength Steel Parts
AMS2649D
This specification establishes the requirements for etch inspection of steel parts to detect overheating (rehardening or overtempering) caused by abusive machining or grinding, or to detect localized discontinuous carburization.
Rationale:
This revision results from a Five Year Review. Glass bead is added as acceptable media for use in surface activation, and alkaline clean solution is added as a rinse solution in lieu of sodium hydroxide solution.
Related Topics:
Hazardous materials
Identification numbers
Tensile strength
Lubricating oils
Heat treatment
Parts
Steel
Methanol
Also known as: SAE AMS 2649
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