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Thread: difference between imr 4350--and h 4350 powder ?

  1. #1
    Paid Member acemisser's Avatar
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    difference between imr 4350--and h 4350 powder ?

    Maybe a stupid question ? But does anyone know if it is possible to use
    one or the other of these powders? Maybe I will have to call the manufactor.

    I have 5 lbs of IMR 4350 and most of the loading call for HODGON-4350

    Seems to me that there has got to be a way of using it...Either by increasing
    or decreasing one or the other...

  2. #2
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    Ace what are you trying to reload? What bullet?
    "And you shall know the truth, and the truth shall make you free. John 8:32 (New King James Version)

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    http://data.hodgdon.com/cartridge_load.asp

    Gives data for both, in whatever caliber you want to use. Kind of a everyday link.
    Last edited by JackinSD; 10-02-2012 at 06:39 PM.

  4. #4
    Paid Member Blue Avenger's Avatar
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    They are different
    .223 Rem AI, .22-250 AI, .220 Swift AI .243 Win AI, .6mm Rem AI, .257 Rob AI, .25-06 AI, 6.5x300wsm .30-06 AI, .270 STW, 7mm STW, .416 Taylor

  5. #5
    Paid Member acemisser's Avatar
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    I'm trying to find a slow powder for a 55 grain bullet in the 22-250..I see H 4350 used a lot..
    I guess I will call them and see what they tellme...If I can use the IMR in place it would be great.

    I hate to keep buying powder if I don't have to...I know I have converted some loads to use
    in place of others with no effects of any...

  6. #6
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    Here's another everyday link: http://www.reloadbench.com/burn.html

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    I checked some manuals I have; Hornady Vol 11 Start 34.4 stop 39.9 =3700
    Nosler #3, start 35 stop 39= 3610
    Sierra start 37.2 stop 39.4=3500
    This data for IMR4350. As always start low and work up. Luckus

  8. #8
    Paid Member acemisser's Avatar
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    Quote Originally Posted by JackinSD View Post
    Here's another everyday link: http://www.reloadbench.com/burn.html
    I have that chart here.Thanks for sharing it..

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    Last edited by devildogandboy; 10-03-2012 at 11:42 AM.

  10. #10
    Paid Member acemisser's Avatar
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    went and got a pound of H4350----better safe than sorry...right?

  11. #11
    Paid Member stomp442's Avatar
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    They have very similar burn rates. As long as you start a couple grains from Max and work up you should be fine.

  12. #12
    Paid Member acemisser's Avatar
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    Quote Originally Posted by stomp442 View Post
    They have very similar burn rates. As long as you start a couple grains from Max and work up you should be fine.
    I think your right..I tried a few loads and I seen no problems at all....This stuff has been preached
    into people forever..I can take my 22-250 and fill a case with h4831 and it shoots great..No weighing
    of any..But I am NOT saying for you to try it..SO DON'T..

  13. #13
    According to Bruce Hodgdon, 38.0 grains of H380 behind a 55gn bullet in the .22-250 is the only load that you'd ever need

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