Powder question

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I wonder if 5/7 means AA#5 from their 7th edition (revision) load data? That's about all the sense I can make of it. It's also curious they want you to reduce 20%... typical reduction is 10% 20% reduction is a LOT in some pistol cartridges.

Personally, I'd fertilize my yard with it... I don't shoot mystery meat reloads, and I would never play 'what powder is this?'
 
AFAIK, Alliant markets that powder as HP-38. Alliant manufactured an identical powder and sold it to Winchester, who then relabeled it and sold it as W231.

To my knowledge at least, Alliant hasn’t ever sold powder under the w231 (or even just 231) name. Only Winchester did.

That label looks unprofessional and cheap. I wouldn’t trust it to accurately label baking soda, let alone fun powder. My phone auto corrected gun powder to fun powder. I’ll let it go...this time.
Alliant never sold W231 power. General Dynamics made it for Winchester and for Hodgdon labeled HP-38.

The powder marked Alliant 351 is probably a non canister powder being sold as surplus like WC844 or BR-2 and the like.
 
never heard of the powder and the instructions don't fit normal surplus powder guide lines. i use lots of wc 846 and the load information is clear, i.e. use blc-2 load data and start 10% lower.
 
Alliant never sold W231 power. General Dynamics made it for Winchester and for Hodgdon labeled HP-38.

The powder marked Alliant 351 is probably a non canister powder being sold as surplus like WC844 or BR-2 and the like.
Darnit, I completely had my wires crossed on that one. Thanks for the correction. I like that kind of history, and hate it when memory fails me.
 
Is SMP-231 not the product produced by St. Marks Powder (a General Dynamics division) that is sold to us as Winchester 231 and Hodgdon HP-38?

https://www.gd-ots.com/propellant-and-propulsion/st-marks-powder-propellants/
Then why wouldn't they say '...use W231 load data and reduce by 10%'?

What does SMP powder have to do with the orginal post. The smp powder was posted by someone else.

Where does anything say to reduce W231 by 10%?? Alliant datt says reduce max load by 10%?? 231 and HP38 are exactly the same think.

This is all convoluted
 
As mentioned AA5 and AA7 two different burn rates/charge weights.
So it appears to be an unknown.
I have never dealt with an complete unknown before but if I was going to try to use it I would assume it was something really fast -N310/Clays or something like that and start working up slow and carefully.
Maybe with some luck Alliant can give you some idea of what it's burn rate is.
 
What does SMP powder have to do with the orginal post. The smp powder was posted by someone else.

Where does anything say to reduce W231 by 10%?? Alliant datt says reduce max load by 10%?? 231 and HP38 are exactly the same think.

This is all convoluted

Sorry, got my posts mixed up. Still stands as far as I go... look like lawn fertilizer to me.
 
thank you for all your help
I found out alliant 351 is an oem powder for people who want to make there own loads
we will see how that works out
 
powder came from a gun show in Columbia sc

I have purchased powders from Pat's Reloading and they were pull down powders. Pat's makes the best attempt to define the things but the stuff is not new powder, and it may be from several different batches of pull down ammunition all loaded with different lots of the same powder.

I would like to repeat, this stuff is not new. It was being used, or stored, and then an Ammunition Technician tested it. Maybe a round failure, maybe it was due to schedule, but the Ammunition Tech has records about lot numbers and locations, and tested a lot. And what he found was that this powder was at the end of its lifetime. The military scraps powders that have less than 20% of the original stabilizer left. The assumption is, if a powder has 20% stabilizer, it can be safely removed, transported, uncorked, poured out, and burnt within seven years. When there is zero % stabilizer the gunpowder is unstable and will autocombust, causing, all those Ammunition Depot explosions you never heard about. Now if you heard of an Munitions Depot explosion, you never thought about the implications, and discounted the explosion as "Crazy Russians". You did this because it fits your world view. Depots explode in Russia because Russians are Crazy! You believe gunpowder does not deteriorate, nor does it become unstable with age, and autocombust due to the loaws of nature. (Which it does) Instead, you believe, as everyone believes, gunpowder lasts forever. That is what you believe, and what we all have been taught and everyone around you believes, so it must be true. You believe gunpowder lasts forever and you will get angry when told otherwise. You also ignore all evidence that the stuff does not last forever. When an ammunition depot explodes, it has to be due to cultural deficiencies, or nation states fitting into your stereotypes: those Crazy Russians! An ammunition depot goes Kaboom on average, once in month, primarily in second and third world countries.



And it happened because those Nation States did not spend money inspecting and demilling old munitions. Instead their Politicians decided to leave well enough alone, and only had to do something when the Munitions Depot exploded. Sort of the way our Politicians act, and why bridges fall down. Europeans look at American failing infrastructure, California on fire, and think: Crazy Americans!

As Noam Chomsky said, the purpose of advertising is to create ill informed consumers who make irrational decisions. Surplus powder sellers know how to cater to your biases, and you end up buying the stuff, thinking you have got a deal. I am going to say surplus powders are not a bargain. I met Pat, and I talked with they guy about the stock pile reliability surveillance that lead to these surplus military powders being on the market, and he either knows, or ignores the fact he is selling powder that is on the cusp of instability. I have poured out almost all of my Pat's powders, and most of the other surplus powders I purchased. The stuff went bad. I did not know the stuff needed to be shot up immediately, not later, but right now. I had to learn this. So don't sit on the stuff, develop your loads, shoot the stuff, and shoot the stuff off. Soon. In between now and when the can is empty, frequently sniff what is left in the bottle for bitterness. If it smells vinegary, pour it out. Before it auto ignites and burns your house down.

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Well dang. Now you got me scared. I have powder that is over 20 years old in original containers that look and smell fine bought new by me. I also have some powder my grandfather salvaged from 30-06 loads from WW2 that still looks and smells fine. I also have some square cut rifle powder from some 7mm Mauser loads I pulled because the primers were duds. It was head stamped 1938. It still looks and smells fine too.

I am one of those people who thinks powder last a long time. Maybe I need to rethink it. But with all the old powder I have on hand I don't buy new powder. I need to use what I already have on the shelf.
 
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