Hydrogen Embrittlement Relief (Baking) of Steel Parts
This specification covers the requirements for embrittlement relief (baking) of heat treated steel parts to remove hydrogen infused during plating and certain other chemical processing such as stripping, chemical milling, pickling, and etching.
AMS2759/9E results from a Five-Year Review and general revision of AMS2759 and its slash specifications.
Ordering information: In addition to that listed in AMS2759, the purchaser shall supply the following information to the plating processor:
Final heat treat condition:
Minimum tensile strength, as applicable; or
Minimum hardness, as applicable; or
PH stainless steel temper, as applicable.
Tempering temperature used for the following types of parts:
Carburized or carbonitrided parts.
Parts fabricated from music wire, 52100, 440C, or other alloys tempered below 375 °F (191° C).