Re: More Koban Questons – Head Gaskets, Plugs

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October 12, 2016 at 10:10 am #45678
kees
Participant

    International Member
    quote Garry in Tampa:


    I was taught that rapid cooling of a heated metal (Quenching) made it harder. Conversely, slow cooling made the metal softer – ? ? ?

    .
    not with red copper, it will become softer this way
    😉
    .