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MIL-H-6875H HEAT TREATMENT OF STEEL

thread723-41205

MIL-H-6875H HEAT TREATMENT OF STEEL

MIL-H-6875H HEAT TREATMENT OF STEEL

(OP)
MIL-H-6875H HEAT TREATMENT OF STEEL was superseded 2 Feb 1999 by AMS-H-6875 Heat Treatment of Steel Raw Materials ($59 from SAE).  However, it appears to me that SAE split out the heat treatments of 4 classes of finished steel parts into 4 more specs., e.g., AMS 2759/3 Heat Treatment Precipitation-Hardening Corrosion-Resistant and Maraging Steel Parts, each at $59 nonmember price, so it costs 5 x $59 to get the equivalent of MIL-H-6875H.  Can someone confirm this?

RE: MIL-H-6875H HEAT TREATMENT OF STEEL

Yes, that is correct.  It would be nice to ask someone from the SAE committee why this was done...

RE: MIL-H-6875H HEAT TREATMENT OF STEEL

You are correct in that the heat treatment of parts is now covered by numerous AMS slash sheets, based on mateiral type and or strength. AMS-Mil- H - 6875 exisitins but only for the heat treatment of raw materials.

I believe this was the result of the govenment transitioning to industry specs and trying to adopt specs. that were already in existance, such as AMS-2759 /1/2/3/4.... and others.

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