My brass is Purple?

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  • Joe G

    Expert
    Rating - 100%
    7   0   0
    Feb 19, 2013
    1,103
    48
    SE Indiana
    It always happens when the purple monkey shows up. I'm totally innocent of course.


    bad-monkey_o_1515675.jpg
     

    ljk

    Master
    Rating - 100%
    30   0   0
    May 21, 2013
    2,705
    149
    from Ballistic Edge(they make good annealing machines)

    Changes start to occur in brass grain structure at 480 degrees fahrenheit. To properly anneal brass, the temperature needs to be at 650 degrees F. for several minutes--BUT this will transfer too-much heat to the lower case in that time. So we need more heat for a shorter time. We need to raise the neck temp to about 750 degrees F. only for a few seconds to anneal.
     

    Newhoosier

    Plinker
    Rating - 0%
    0   0   0
    May 19, 2013
    90
    8
    Kouts
    Your not the only one that has done this . I had a bunch of 9 mm in the oven at the lowest temp possible 150 ish? My daughter wanted a pizza and cranked it up to 400 and they changed color. I pitched them. Easier to sleep that way.
     
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