annealing new brass

[dolek]

Call it what you want. I've split shoulders on new $.85 lapua brass too. I'm not just repeating what Jim said. But Jim has been in the game a very long time. It's worth listening to what he has to offer. And I understand the frustration of losing a few cases of the same lot of brass.

What I am trying to convey is....way to many variables involved in an internet post to give absolutes . Simple things like over/under annealed,bad brass, etc. etc ....

 

[urbanrifleman]

A 1/4" minute gun isn't real competitive at BR. 1000..... jim

Okie Dokie.

How do you anneal?

 

[JEFFPPC]

Call it what you want. I've split shoulders on new $.85 lapua brass too. I'm not just repeating what Jim said. But Jim has been in the game a very long time. It's worth listening to what he has to offer. And I understand the frustration of losing a few cases of the same lot of brass.

Mike you make a great point. There can be some batches of brass that are not the same quality as others. I also respect the advice of joara1 who has years of experience and the records to back up his opinions. I will add annealing prior to fireforming the next batch. Today inspecting the 96 I fireformed and then annexed yesterday I did find one with a tiny split on the shoulder .

 

[JEFFPPC]

You lost the five you didn’t do!

Incorrect, I bought the 95 pieces available from the gentlemen who was selling them. They were .50 each, to bad he did not have more.

 

[johara1]

Okie Dokie.

How do you anneal?

It really does matter your method, as long as it is done correctly, kind of like trimming and pointing bullets it is great as long as it is done right. ... jim

 

[urbanrifleman]

It really does matter your method, as long as it is done correctly, kind of like trimming and pointing bullets it is great as long as it is done right. ... jim

What is correctly? I honestly don't know. That's why I asked.

 

[johara1]

I know what it looks like and I check for my .0005 spring back. it is a slight glow that just starts and the annealer moves on. I measure the pencil point of the flame so it is always the same..... jim

 

[Shooter13]

Incorrect, I bought the 95 pieces available from the gentlemen who was selling them. They were .50 each, to bad he did not have more.

Humm, I was joking

 

[JEFFPPC]

Humm, I was joking

It was a logical question on your part. Actually made me chuckle.

 

[divingin]

At what point in the process does Lapua anneal? Just guessing but I would think it's before the first step in producing cartridges. If that is the case the cartridge is probably well on it's way down the work hardening path.
I anneal every piece of new brass, use only Lapua and anneal after every firing.
Easy peasy with an AMP!

Don't recall where I heard it, but I'm pretty sure annealing is done before each forming step (of which there are, what, 2 or 3?) Makes sense since you want to form soft brass, rather than work hardened.

Peterson says they anneal at each form step until they form the shoulder and neck. Then a final anneal on the finished case.

https://www.petersoncartridge.com/our-difference/drawing-brass/

 

[johara1]

Don't recall where I heard it, but I'm pretty sure annealing is done before each forming step (of which there are, what, 2 or 3?) Makes sense since you want to form soft brass, rather than work hardened.

Peterson says they anneal at each form step until they form the shoulder and neck. Then a final anneal on the finished case.

https://www.petersoncartridge.com/our-difference/drawing-brass/

If it is right, don't believe they do it perfect every time and when you are going to fire form to an other cartridge best to anneal first it never hurts .... jim