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Old May 05, 2017, 14:33   #1
KoKodog
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powder comparison chart

http://www.adi-powders.com.au/handlo...quivalents.asp


this look as good or better than my homemade chart

print or save it for future use
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Old May 05, 2017, 23:20   #2
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I always wonder about how these charts are constructed. I'm guessing that ADI just took some old charts and fit their powders in...

I mention this because this chart perpetuates information on a couple of Hodgdon powders that is not current (and hasn't been for a couple of decades now). This refers to H335 and BLC2. Thirty years ago, this chart would have been correct for them as listed, however, for about 20 years, H335 has been quite a bit quicker than BLC2 (with BLC2 currently about the same as WIN748 (or just slightly quicker)). H335 is currently close to AA2230. Loads that took 26.5/27.0 grains for H335 in 5.56x45mm with a 55gr bullet twenty-five years ago would most likely blow primers today, with current loads in the 24.5/25.0 range.

Having said all this, it still is interesting to see new comparison charts, especially for 'rarer' or newer powders...

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Old May 06, 2017, 02:19   #3
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A good number of those Hogdon powders are in fact ADI powders now...
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Old May 06, 2017, 08:17   #4
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No Ramshot powders included on the chart.
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Old May 06, 2017, 12:10   #5
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Quote:
Originally Posted by Andy the Aussie View Post
A good number of those Hogdon powders are in fact ADI powders now...
many powders are made by ADI for several different mfg'ers

but Hogden is a big customer of ADI

St Marks had been the largest powder mfg'er in the US for many years, thats why so many Hodgen and WW powders can be interchanged (within reason)
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Old May 06, 2017, 12:32   #6
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quoted text from a post in the canister and surplus powder forum over at cast boolits

it does address a issue w/ updated powder formulas

Quote:
Another hole created as of late is the movement of RL7, initially a 5 percent nitroglycerin content and now a 10 percenter. The speed of the initial version was a very fast 3031, and the current version is very close to 4198. That is a significant difference for the 30-30 capacity case. The advantage of the movement is that now RL7 can be used in the straight wall pistol cases, and is about 3 grains within WW680 which is going by the wayside


the charts found at the links help to get a idea of burn rate/speed, but for most reloaders they mean little



http://www.reloadbench.com/burn.html

http://www.hodgdon.com/burn-rate.html

http://home.hiwaay.net/~stargate/powder/powder.htm

http://www.ramshot.com/powders/burnrate.php

http://www.reloadersnest.com/burnrates.asp

http://www.gswagner.com/bigreloading...rburnrate.html

https://www.grafs.com/uploads/techni...df-file/14.pdf
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Old May 06, 2017, 15:06   #7
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Quite a few new powders introduced over the past several years. I have yet to see an up to date chart or truly inclusive chart.
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Old May 10, 2017, 14:24   #8
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I find the Bench Mark 1 and Bench Mark 2 interesting.
First one being 4198 speeds and the second being same speed as US Benchmark.
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Old May 10, 2017, 14:39   #9
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I'll just keep using IMR4895, Varget, and Unique.
Occasionally some 231 or Bullseye, but I mostly buy pre-loaded pistol ammo these days.

I'll admit to having a supply of TAC for in case the IMR or Hodgdon factories burn down at the same time.

Not really interested in the latest Tactical Flatulence Eliminator or whatever that shit is.
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Old August 12, 2017, 16:01   #10
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Why IMR? H4895 is definitely the better powder.
The IMR line is only around for the older crowd that's used to using the IMR powder.

Quote:
Originally Posted by W.E.G. View Post
I'll just keep using IMR4895, Varget, and Unique.
Occasionally some 231 or Bullseye, but I mostly buy pre-loaded pistol ammo these days.

I'll admit to having a supply of TAC for in case the IMR or Hodgdon factories burn down at the same time.

Not really interested in the latest Tactical Flatulence Eliminator or whatever that shit is.
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