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Corrosion on Hand Lloads #7695168 12/21/19 07:41 PM
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fishdfly Offline OP
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I have a substantial number of .222 and .22-250 and loads from my father who died in 1996. I am guessing he loaded them in the summer of 1996.

There is blue/green corrosion around the necks where the bullet is seated and down the neck on some of them. The same color is around the edge of the primers and the primers are discolored.

I know not to shoot them, but was wondering what caused this? The cases which were fired, in the boxes have no corrosion.

Thanks

fdf

Re: Corrosion on Hand Lloads [Re: fishdfly] #7695275 12/21/19 09:47 PM
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kmon11 Online Shocked
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Moisture/humidity

Brass and copper can do that


lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
Re: Corrosion on Hand Lloads [Re: fishdfly] #7697706 12/24/19 07:03 PM
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jeh7mmmag Offline
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Galvanic corrosion (or electrolysis) of dissimilar metals (brass case and copper bullet). The green/blue is oxide from the sacrifice copper and 30% zinc in brass. Moisture, heat, and temperature changes (condensation) contribute to the oxidation. Store in a air conditioned controlled climate. I would not fire them because the oxidation can cause dangerous high pressures. Pull the bullet and slowly deprime with towels wrapped around case and primer while wearing safety glasses. Tumble the cases and bullet with a little car wax to remove and protect from oxidation. Some bullets are bad about oxidation and it must be their alloy compounds they use to make bullets. Speer bullets in plastic boxes seem to be bad about oxidation. The military sometimes uses a black tar like sealer on bullet and a clear sealer on primer if ammo is going to be subject to climate extremes. GL


�Everybody needs beauty as well as bread, places to play in and pray in,
where nature may heal and give strength to body and soul.�
~ John Muir
Re: Corrosion on Hand Lloads [Re: jeh7mmmag] #7699572 12/27/19 01:02 PM
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fishdfly Offline OP
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Thank you for the explanation, the problem makes sense now.

I am not going to shoot them, they have been going in the lake as oxidation takes it toll, It is cheaper to replace them than go to the Emergency Room.

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