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Titegroup and .357 Magnum?

Discussion in 'Handloading and Reloading' started by Quoheleth, Oct 7, 2008.

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  1. Quoheleth

    Quoheleth Member

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    Is Titegroup a decent powder for 1000fps .357 Magnum 158LSWC loads? Looking in my Lee manual, I see it shows 4.5gr giving 1028fps at 19,300 CUP. A max load of 5.0gr hits 1108fps with 24,900 CUP.

    I'm looking at this because my bullets, at 18BHN, are leading in my SP101 with my old load of 8 grains of AA#5. I think it might be a pressure problem since the max load (which I am well under) of 9 grains AA#5 hits 39000CUP. :eek:

    Thanks,
    Q
     
  2. evan price

    evan price Member

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    I am loading mostly Titegroup for nonmagnum practice rounds nowadays. Generally, I use a 158-gr hardcast lead SWC.

    According to my load book I was using 5.1 grains of Titegroup and a WIN SP primer and it theoretically achieved 1100 fps @ 24.9k cup. I also note that I handwrote and underlined twice beside it, "good light load".

    I also see the next entry with that bullet was for a 5.4 grain charge of Titegroup and a Wolf SP primer, there are no numerical data with this load but I wrote in the margin "BEST LOAD- VERY LIGHT LEADING" and this is the load that I usually choose for .357 Magnums for practice ammo.

    iirc 6.1 grains is the Max for Titegroup with a jacketed 158-SWC. Using hardcast lead you can load over the max for lead but the higher you go the more likely leading is to occur.

    I have found that Titegroup really prefers to be loaded up towards max to reduce sooting and the "Titegroup stain" on your brass.

    Hope that helps.
     
  3. Quoheleth

    Quoheleth Member

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    evan price,

    That's the kind of stuff I was looking for.

    I'll bust out the Titegroup this weekend and give it a try with .357 loads.

    Q
     
  4. jhansman

    jhansman Member

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    I use 5 gr. of Titegroup with that bullet out of my Ruger GP100, and it is both accurate and easy on the recoil/report. TG is my favorite handgun powder by far.
     
  5. easyrider6042004@yahoo.ca

    easyrider6042004@yahoo.ca Member

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    Guys, I was just going to look for 357 magnum Titegroup data and found this thread. Thanks to you, I saved time and got additional information.
     
  6. neal7250

    neal7250 Member

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    I love titegroup, and i use it for a lot of calibers. But for a 357 Mag I use H-110;)
     
  7. Jim Watson

    Jim Watson Member

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    Do be careful. Ten grains will fit and will provide "energetic disassembly" of your revolver. The only gun ever demolished on our range was most probably shot with a double of Bullseye in .357 brass.
     
  8. Steve C

    Steve C Member

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    I ran a 4.7gr load of TG, .357 mag Remington cases, CCI500 primer behind a 158gr commercial cast SWC over the chrono and all it was doing was 877 fps average from my 4" S&W 66.
     
  9. jjohnson

    jjohnson Member

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    TiteGroup Caution

    Right - IF you double that load by mistake - the result could be pretty exciting :what: . TiteGroup's pretty dense (loads are physically small) and a double charge in a .357 case wouldn't spill out - you may not even see it - so be cautious as ever.:scrutiny:
     
  10. Walkalong

    Walkalong Moderator

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    700X. ;)

    It is relatively bulky, clean burning, accurate, and does quite well for downloading .357 brass. It is very good with lead. Titegroup is not the best choice with lead.

    18 BHN is a good bit harder than you need for 1000 to 1100 FPS in .357.
     
  11. GP100man

    GP100man Member

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    smeared lead in the barrel is most likely gas cuttin from under sized, too hard boolit with a lite load .

    lite loads need softer boolits .

    i wasted alot of alloy finding this
    out !

    i size my home cast to 359, my cyl throats average 3585.
    +1 for 700x & clays for lite loads.

    GP100man
     
  12. evan price

    evan price Member

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    Yeah, if you really want Magnum performance you need to use the bulky slow powders like win296/h110 or 2400 or #9. But if yo ujust want to make some snappy practice loads, a powder like TG is great & economical. You just need to be careful about how you meter it so you don't geta doublecharge. Considering I load out 9.5 grains for my .44 mag with 240-grain slugs, a double from a .357 load could be quite exciting.
     
  13. Quoheleth

    Quoheleth Member

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    I know other powders are better. However, I now have four powders in my cabinet and I want to try to use what I have instead of always buying "better" and "better."

    I was using AA#5, but I think the pressure was too high - in both my 6" GP100 and 3" SP101, the load of 8grns has me scrubbing lead out of the barrel. I did the math and the pressure produced by this load needs a BHN closer to 20; these are only 18BHN.

    I like Universal for my .38 and 9mm loads, and looking at .357 loads, the pressure is about 6000CUPs lower than AA#5. I might try that one as well.

    I have Bullseye and despise the smoky soot it leaves everywhere. I loaded 50 rounds of .38Special; I still have almost a full pound left. Might use it to fertilize the roses...

    So, that leaves me with my Titegroup. With pressure 10,000CUPS under AA#5, I though I would try it. I know a BHN of 18 should be able to handle higher pressure than the 24,000CUPS, but I want to try it.

    In all fairness, the leading could be a problem with my gun - I haven't slugged the bore. But I thought I would try the TG first and go from there.

    I think I might try loading 50 with TG and 50 with Universal. Neither will produce foot-stomping power and velocity, but should produce good target & practice loads.

    Q
     
  14. Walkalong

    Walkalong Moderator

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    Measure your revolver throats. They need to be bigger than the bore. If they are undersized they will swage the bullet down, and then you will get severe gas cutting and leading in your bore. The good news is if they are undersized you can ream them to perfection and then your gun will shoot cast bullets extremely well. You would like them to be .001 to .002 over bore diameter, but .003 or even .004 is workable.

    If they are .001 to .005 over bore diameter it is just a matter of matching bullet strength to pressure and velocity.

    Easily. Again, it is too hard for 1000 to 1100 FPS.
     
  15. kludge

    kludge Member

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    There's a .357 load with AA#2 with 158LSWC with the bullet pushed back to the so the case is flush with the first driving band...

    ~1000 fps IIRC; it's on their website.
     
  16. Quoheleth

    Quoheleth Member

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    Actially, BHN has to do more with pressure than velocity. From missouribullet.com:
    My old load of AA#5 cranked out pressure near 35000CUPS. Using the formula BHN = CUPS/1279.8, I would need a rock-hard 27BHN bullet. Interestingly, that load - according to the manual - generated about 1150fps (no chrono, so that's per Lee's data). Using Universal, I should have about 24000CUPS @ 1050fps necessitating only a BHN of 18. The 100fps isn't the difference, it's the pressure of over 10000cups that causes the leading.

    Now, Brad @ MissouriBullet also said some guns can push his .357Magnum LSWC to 1100-1200 without leading. As someone said, it's a combination of throats, bore, and even smooth landes in the barrel. My SP101, however, seems to disagree with that. I need to try it again in my GP100 and see what that gun thinks of the higher-pressured load.

    Q
     
  17. Walkalong

    Walkalong Moderator

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    Pressure is velocity. Sorry. I give up. Have fun. :)

    Oh yea. I have been there, done that. I am not guessing or reaching conclusions from reading someone elses article.
     
  18. Quoheleth

    Quoheleth Member

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    OK...me too. :)

    And, I'll try to have fun. It's been one of those weeks - I could sure use some range time.

    Q
     
  19. Walkalong

    Walkalong Moderator

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    Nothing a good day at the range can't fix. My week was last week. Everything I touched turned to S***. :)
     
  20. dwave

    dwave Member

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    NOT always true. Taken from the Hodgdon site:

    357 Mag with a 158 GR. CAST LSWC:

    HS-6 MAX LOAD: 7.0 gr. 1106 fps@15,500 CUP

    CLAYS MAX LOAD: 4.6 gr. 1079 fps@33,600 CUP

    2x the pressure for less FPS. Look at the others too:

    TITEGROUP MAX LOAD: 5.0 gr 1108 fps@24,900 CUP

    That is an extra 9400 CUP for an extra 2 FPS. Obviously Pressure does not always equal velocity.
     
  21. Walkalong

    Walkalong Moderator

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    That's peak pressure which is very quick with Clays vs HS6. Obviously the same pressure does not always equate to the exact same velocity. You cannot compare a fast powder to a slow one as far as velocity and peak pressures.

    I did not make my point clearly enough for some folks, but I am right about the hardness vs pressure part. I am also right about that 18 BHN bullet being to hard for 1000 to 1100 FPS, even if you use a very fast powder to get a short lived high peak pressure. :)
     
  22. dwave

    dwave Member

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    Are you right because you say you are right? :) You was arguing that the bullets should be matched to velocity, so how are you right about the pressure? Pressure obviously can change between powders. Pressure is what obturates the bullets, not velocity. After all, HS-6 might not get enough pressure to obturate the bullet(15,500 CUP @max load for .357 using 158gr. LSWC), but Clays will do better because of the higher pressure(33,600 CUP @max load for .357 using 158gr. LSWC.)

    You made a generic statement of:
    You didn't say a thing about fast powders vs. slow powders. Just the statement of Pressure is velocity.
     
  23. Walkalong

    Walkalong Moderator

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    OK I am dead wrong. I don't know how in the world I managed to shoot lead bullets in auto's, revolvers, and carbines without leading all those years.

    Lets see... 9MM - Auto, .38 Spl. - Revolver, .44 Special - Revolver & Carbine, .44 Mag - Revolver & carbine, .45 ACP - Auto, .45 Colt - Revolver, both low pressure and "Ruger Only" loads.

    A wide variety of pressure in auto's and revolvers.

    Yep, not detailed enough for you obviously.

    I am right because I and many others have proven it in the real world.
    No S***, I am glad you cleared that up.
     
  24. dwave

    dwave Member

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    Wow, can't believe that you would get mad so easily! You should take it easy. Anyways, you have said two different things. I think you must be an Obama supporter! :rolleyes:

    1st you say velocity is what does the bullets:

    and

    THEN you go on to say:
    After I said it was pressure, not velocity.

    I understand things just fine, its you that is not very clear.
     
  25. Walkalong

    Walkalong Moderator

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    I am glad you have had fun attacking my answers. The OP had no problem with my opinions and did not feel it necessary to nit pick my wording. Check my Sig. Think I will be voting for whom now?
     
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