Re: Powder lot number?
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... I guess Catshooter and I just live on the edge!!! [img]/ubbthreads/images/graemlins/smile.gif[/img]
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Good morning Dave.
"Living on the edge" Eh??
I gotta love this wild life style you and I have.
I also put what's left of the old ketchup in the new bottle - God, do I live at the edge or what - my cheesburgers are awesomely dangerous!
What most loaders don't know is that ALL powder is mixed and blended (like good Scotch).
The factory does NOT say "OK guys, we're making 7 tons of 4895 this week".
Powder types are produced and the burning speed is determined for each batch... it might be faster than the last or slower than the last. It is graded and shipped or stored.
Most of it is sold in boxcar loads to ammo companies. The ammo companies test each lot, and adjust their loading machines to adjust for the difference from the last boxcar load. If you pull bullets on the same ammo over the years, you will find that the weight constantly changes... because the powder constantly changes.
The powder factories will blended some of it to meet standardised burning rates.
If 4895 has a burning rate of (hypothetically) 80, and they have 3 tons of a 76 powder and 7 tons of an 87 powder, they will mix the proper proportions to make up an "80" batch, then can it in one and eight pound jugs, and label it 4895.
If you are capable of adjusting loading data, you can also buy bulk powder really cheap, but you have to test EVERY different batch. I buy bulk powder for my 50-BMG, and I get 48 lbs at a time. I mix it all up and then test it to see how different it is from the last "mix" - then I adjust my loads accordingly.
So if you have a bunch of cans of the same powder of the same type, it has already been mixed, so mix it, and use it.
Live on the wild side [img]/ubbthreads/images/graemlins/wink.gif[/img] [img]/ubbthreads/images/graemlins/wink.gif[/img]
Here, kitty kitty kitty.
LRH member #23