Bullet casting question.

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  • ScouT6a

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    13   1   0
    Mar 11, 2013
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    How many home casters are heat treating pistol bullets for higher velocity applications?

    I just tried it, last week, on some 170 grain bullets for .357 Magnum rifle loads.
     

    Sling10mm

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    Mar 12, 2012
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    I'm interested to hear about this. I have quenched bullets before, but never done a heat treatment.
     

    ScouT6a

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    Yeah, not a true "heat treat", in the way we know it, but quenching them, just after casting. Heat treat seems to be the accepted term, a mung casters.
     

    mac45

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    Feb 17, 2008
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    Was typing as you posted.
    If you're talking about just quenching....all you need to do is drop from the mold into water.
    Clip on wheel weights work pretty well for this.
    (Avoid the splash or you may get a visit from the tinsel fairy)
    The link I posted above is to actual heat treating.
     

    ScouT6a

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    Mar 11, 2013
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    Some things about metallurgy still make me scratch my head. The fact that it takes the quenched bullets two days to reach maximum hardness, after quenching, is one of them.
    I understand that the quench makes the antimony molecules migrate toward the outside of the bullet. Just not sure how the 48 hour period afterward affects things. :dunno:
     
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