Browse Standards AMS2649
Historical REAFFIRMED 1992-04-01

ETCH INSPECTION OF HIGH STRENGTH STEEL PARTS AMS2649

This specification establishes the requirements for etch inspection of bare high-strength low-alloy steel parts having tensile strength of 180,000 psi (1240 MPa) and higher and of carburized parts to detect over-heating caused by abusive machining or grinding in the heat treated condition. This process may remove 0.0001 to 0.0005 in. (2.5 to 12.5 μm) from the surface of the part.
AMS2649D
2019-07-15
Latest
Reaffirmed
AMS2649C
2008-01-03
Historical
Revised
AMS2649B
1996-10-01
Historical
Revised
AMS2649A
1996-06-01
Historical
Revised
AMS2649
1992-04-01
Historical
Reaffirmed

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