OXIDE STEEL?
OXIDE STEEL?
(OP)
Does anyone out there know the speciality about black oxide-steel? one of out suppliers speccified this on a shaft collar, but i don't know exactly what is special about this type of steel.
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RE: OXIDE STEEL?
RE: OXIDE STEEL?
'Black Oxide Coating Specification'
Thread723-56683
for discussion of the AMS specification (AMS 2485).
The coating gives some wear and corrosion resistance, chiefly as the result of lubricant that adheres to the oxide surface.
From MIL-DTL-13924D “Only very limited corrosion protection, under mildly corrosive conditions, is obtained as a result of black oxide coating.”
The MIL spec. is a free download at http://assist2.daps.dla.mil/quicksearch/