Already covered but here is some more detail and primarily directed towards straight walled hand gun cases...
The use of nickel plated cases began back in the day when cartridges were carried in leather loops. The tanning chemicals used in the leather would corrode un-plated brass cases but nickel was resistant to the chemicals.
Again back in the day of steel reloading dies, nickel plated cases would in-bed debris in the die's surface more frequently than un-plated brass cases. Once the die was compromised, a scratch would be transferred to subsequent cases until the die was buffed out.
Carbide dies generally do not have this issue as the carbide ring is harder than most debris that might get on a case. But, cleaning then case before resizing will pretty much eliminate any scratching issue with either steel or carbide sizing dies.
In my experience, primarily with 38 Special cases, nickel plated cases do not last as long as un-plated brass cases. Mouth splits and body splits are the most frequent mode of failure. That said, I never done a study to confirm this or how much shorter the life is, it is just a feeling.
I have, shot and reloaded both nickel plated and un-plated brass cases without regards to estimated life of either case. They both work find and indistinguishable from each other. Generally, I only buy new un-plated brass cases these days due to habits developed during my days with steel 38 Special sizing dies. At times, I have a need for some of the properties offered by the nickel plating such as corrosion resistance or different appearance from un-plated cases, so I buy a few nickel plated.
So, if the price is right, buy the nickel plated cases, use them, and enjoy them.
The use of nickel plated cases began back in the day when cartridges were carried in leather loops. The tanning chemicals used in the leather would corrode un-plated brass cases but nickel was resistant to the chemicals.
Again back in the day of steel reloading dies, nickel plated cases would in-bed debris in the die's surface more frequently than un-plated brass cases. Once the die was compromised, a scratch would be transferred to subsequent cases until the die was buffed out.
Carbide dies generally do not have this issue as the carbide ring is harder than most debris that might get on a case. But, cleaning then case before resizing will pretty much eliminate any scratching issue with either steel or carbide sizing dies.
In my experience, primarily with 38 Special cases, nickel plated cases do not last as long as un-plated brass cases. Mouth splits and body splits are the most frequent mode of failure. That said, I never done a study to confirm this or how much shorter the life is, it is just a feeling.
I have, shot and reloaded both nickel plated and un-plated brass cases without regards to estimated life of either case. They both work find and indistinguishable from each other. Generally, I only buy new un-plated brass cases these days due to habits developed during my days with steel 38 Special sizing dies. At times, I have a need for some of the properties offered by the nickel plating such as corrosion resistance or different appearance from un-plated cases, so I buy a few nickel plated.
So, if the price is right, buy the nickel plated cases, use them, and enjoy them.
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