Browse Standards AMS2649B
Historical REVISED 1996-10-01

ETCH INSPECTION OF HIGH STRENGTH STEEL PARTS AMS2649B

This specification establishes the requirements for etch inspection of bare high-strength low-alloy steel parts having tensile strength of 180 ksi (1241 MPa) and higher and of carburized parts to detect overheating caused by abusive machining or grinding in the heat treated condition. This process may remove 0.0001 to 0.0005 inch (2.5 to 12.7 μm) from the surface of the part.
AMS2649D
2013-12-13
Latest
Revised
AMS2649
2011-08-10
Historical
Reaffirmed
AMS2649C
2008-01-03
Historical
Revised
AMS2649B
1996-10-01
Historical
Revised
AMS2649A
1996-06-01
Historical
Revised

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