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Reloading Berger Bullets

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problem with tempilaq

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  #1  
Unread 06-25-2013, 09:03 PM
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problem with tempilaq

I tried annealing my brass for the first time this evening. I painted some 650 degree tempilaq on the inside of the case mouths and let it dry. When I heated the end of the case, the tempilaq burned instead of changing from the yellow color. It left a lot of residue in the case. I had to use a case brush to remove the burned black soot.
What did I do wrong??? I got the info from Hand Loading for Long Range 1: Brass Prep
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  •   #2  
    Unread 06-25-2013, 09:31 PM
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    Re: problem with tempilaq

    Try this,
    problem with tempilaq-brass.jpg

    The green is 400 and yellow 650. As you can see the 650 wants to burn in the neck area where the torch is applied. I use the 400 as a safety mark to ensure no more than approximately one inch of the brass from the neck is heated above 400.
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      #3  
    Unread 06-25-2013, 09:47 PM
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    Re: problem with tempilaq

    Quote:
    Originally Posted by MMERSS View Post
    Try this,
    Attachment 23000

    The green is 400 and yellow 650. As you can see the 650 wants to burn in the neck area where the torch is applied. I use the 400 as a safety mark to ensure no more than approximately one inch of the brass from the neck is heated above 400.
    That is what i also do, after i do two cases i then just run the whole batch.

    Riley
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      #4  
    Unread 06-25-2013, 09:56 PM
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    Re: problem with tempilaq

    So are you guys using 650 and 400 or just 400 on your cases.
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      #5  
    Unread 06-25-2013, 10:05 PM
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    Re: problem with tempilaq

    Quote:
    Originally Posted by Korhil78 View Post
    So are you guys using 650 and 400 or just 400 on your cases.
    Both, one mark on each side of the case. In the picture you can't see the other marker so I used two cases in the picture for visual reference.
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      #6  
    Unread 06-25-2013, 10:24 PM
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    Re: problem with tempilaq

    Quote:
    Originally Posted by MMERSS View Post
    Both, one mark on each side of the case. In the picture you can't see the other marker so I used two cases in the picture for visual reference.
    +1 I also use a 475 which is right at the temp that brass starts the annealing process IIRC.
    __________________

    I'm 18
    "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
    ~George Washington

    "The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
    ~ JE Custom

    Biggest fail of 2014 so far... http://www.longrangehunting.com/foru...ea-ftf-128972/

    My guess on W3P .308 230 Grain Bullet: G1 .740-.755
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      #7  
    Unread 06-25-2013, 10:47 PM
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    Re: problem with tempilaq

    Using the 400 an inch from the case mouth makes sense to protect the base. But how do you know when the case mouth and shoulder are hot enough since the 650 tends to burn???
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