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problem with tempilaq

 
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  #1  
Old 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  
Old 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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Old 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  
Old 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  
Old 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  
Old 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.
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I'm 15
"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

"Dope that scope and tickle that giggle switch"

~Doublezranch

Biggest fail of 2014 so far... http://www.longrangehunting.com/foru...ea-ftf-128972/
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  #7  
Old 06-25-2013, 10:47 PM
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Join Date: May 2013
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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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