high pressure signs

Discussion in 'Reloading' started by chuckt56, Apr 19, 2014.

  1. chuckt56

    chuckt56 Member

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    has any one ever had this, i have some 300 win mags nickle federal brand and ever since i bought them and reloaded them i have been getting random signs of high pressure only in the necks (split vertically) and it is only on the nickle coated one i have regular brass(federal also) and this has never happened with them no high pressure signs at all. i neck reamed most of them to get the nickle off the necks and that seemed to help. i was wondering if any one has had this happen before? i heard at one time a couple of years ago that the nickle coating causes this that is why i neck reamed them is there any truth to this?
     
  2. barnesuser28

    barnesuser28 Well-Known Member

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    They need to be annealed.
     
  3. RT2506

    RT2506 Well-Known Member

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    Split necks are NOT high pressure signs. Your necks are just work hardened and need to be annealed.
     
  4. chuckt56

    chuckt56 Member

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    all of them are either brand new or once fired
     
  5. g0rd0

    g0rd0 Well-Known Member

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    still not high preasure anneal them or toss em. I stick with brass and leave the nickle plated stuff alone
     
  6. idaho elk hunter

    idaho elk hunter Well-Known Member

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    This has been a problem for sometime now. The application of nickel on brass is a plating process. The brass and nickel expand at different rates through pressure and temperature. If the plating process impregnates into the brass deeper than normal the nickel will actually start the pull the brass apart upon expansion. If it does not impregnate enough the nickel will flake off during the resizing process. ESPECIALLY in the neck area. Nickel plated brass is like a Cubic Zirconia ring. Nice looking until you find out it is worthless!:cool:
     
  7. chuckt56

    chuckt56 Member

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    yea, that is the only time i have bought nickle brass and haven't since and i won't buy it again makes sense about the plating process i have been shooting what i have left and tossing it after firing it luckily i only bought one box a couple of years ago and checked them as i do all of my brass after shooting. the only reason i bought them is thinking that they would look good and less cleaning, they do look good but the trade off isn't worth it. thanks for the replies every one!
     
  8. Lefty7mmstw

    Lefty7mmstw Well-Known Member

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    I just tossed 100 nickel fed 338 win's because of this. I've never had trouble with rem or win nickel brass, but fed will actually neck crack as it sits on the shelf loaded. Annealing may help, but when they are of poor enough quality that they'll crack sitting, it's probably best to be done with it and find other brass.