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Cleaning 25mm & 40mm brass?

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4 comments

  • Tailgunner1954
    The 2nd set looks like a green phosphate on steel. Replicating the stencils will be the hardest part (make a tracing of them before starting work.
    The brass cases I'd use a mix of 20% white vinegar / 80% hot water for 5-10 minutes followed by a hot water rinse and dry.

    Edit to add:
    Are you sure the first 2 are brass (check with a magnet)? The crud inside the neck looks like rust (iron oxide) in the photo.
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  • D@D
    quote:Originally posted by Tailgunner1954
    The 2nd set looks like a green phosphate on steel. Replicating the stencils will be the hardest part (make a tracing of them before starting work.
    The brass cases I'd use a mix of 20% white vinegar / 80% hot water for 5-10 minutes followed by a hot water rinse and dry.

    Edit to add:
    Are you sure the first 2 are brass (check with a magnet)? The crud inside the neck looks like rust (iron oxide) in the photo.


    I checked & magnets won't stick to them.
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  • USN_Airdale
    i have used a diluted solution of Muriatic acid, (swimming pool grade) then douche them with a water/baking soda mixture to stop the acid reaction.
    0
  • wanted man
    Exterior (brass specimens)...Brasso and a buffing wheel.......??
    0

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