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Thread: New Norma Brass, Anneal before working?

  1. 01-10-2020, 08:13 AM #1
    richbug
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    New Norma Brass, Anneal before working?

    I am going to neck up some New Norma 8x57r brass to 10mm for a project I have been working on. Thoughts on re annealing it before trying to stretch the necks? Plan is to take it to .35 first, then 10mm. Making a long tapered mandrel on the lathe to do the work that fits into a Lee die body.

    This brass doesn't grow on trees, so I would hate to lose any.
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  2. 01-10-2020, 08:41 AM #2
    Hickory
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    Re-annealing would be a good idea.
    Political correctness is a national suicide pact.

    I am a sovereign individual, accountable
    only to God and my own conscience.
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  3. 01-10-2020, 08:51 AM #3
    Wayne Smith
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    NO! Unless you are fireforming. Necking up places downward pressure on the shoulder and you will collapse the shoulder if you anneal first. If you are fireforming than yes, anneal first.
    Wayne the Shrink

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  4. 01-10-2020, 09:02 AM #4
    Hickory
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    I did not consider the downward pressure collapsing the case. Looks like I got that one wrong.
    Thank goodness for those with experience.
    Political correctness is a national suicide pact.

    I am a sovereign individual, accountable
    only to God and my own conscience.
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  5. 01-13-2020, 05:07 PM #5
    richbug
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    I appears not annealing is the right answer. I ran 25 pieces through my 2 expanders, and only damaged one due to my own error(I think I can fix it though, just a fold at the neck because it wasn't lined up perfectly).
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check