The Accurate Reloading Forums
4350
21 February 2006, 06:59
Elmer Fud4350
Is IMR-4350 data inter changeable with Hodgen
H-4350
Thank You in Advance
21 February 2006, 07:20
giIn the past, H4350 was a little bit slower then imr, I think they are supposed to be the same now. You must still use caution working up loads
21 February 2006, 07:26
vapodogIt's a bad habit to get into to substitute IMR for Hodgdon powder numbers. In this case they have similar (if not exact) burn rates and loading data is similar to most cartridges they are used in.
My question.....loading data is available and free from Hodgdon's and is also on the internet. Look up the powder you wish to use and load accordingly.
If you've worked up a load with IMR then stick with it.....if you must change then start all over.
The powders might be identical.....we don't know that and substitution of powders based on less than darn good information is a recipe for bad news. Personally I don't think they are the same.
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21 February 2006, 07:27
smedleyNothing is "interchangable" in reloading!!

Always
"Safety First!"If you go from one to another, work the load up again and watch for pressure signs!
And by the way, Welcome to the Zoo!

Smedley
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Smedley
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From Audacity of Hope: 'I will stand with the Muslims should the political winds shift in an ugly direction.'
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"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery"
Winston Churchill
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"..it does not require a majority to prevail, but rather an irate, tireless minority keen to set brush fires in people's minds.." Samuel Adams
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21 February 2006, 07:30
Mike_DettorreFor all practical purposes...yes. The max load usually varies by grain and I have seen itwith the H higher and also the I higher.
Since you will of course being starting at least couple three grains under max and working up...you can pretty much interchange them.
MikeLegistine actu quod scripsi?
Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.
What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.