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can scandium rust

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  • bucktooth7
    Member
    • Feb 2010
    • 311

    can scandium rust

    A friend of mine has a couple of Sw revolvers that he paid high$ for and they are pretty much safe queens . I mentioned to him that it might be a good idea to give them a look over now and then and perhaps oil the surfaces. He dismissed this and stated that they were made of scandium and could not possibly rust. Is this true? My opiniun is that an ounce of prevention is worth a pound of cure. SW329 PD .44 SW327sc .357 scandium.
    We will do as we will do because I am me and you are you.
  • #2
    robcoe
    Calguns Addict
    • Apr 2010
    • 8685

    "rust" no, since that is specific to iron, but most metals including aluminum, titanium and scandium(the metals in a scandium framed gun) do oxidize, so basic safeguards are a good idea.
    Last edited by robcoe; 10-24-2010, 9:38 PM.
    Yes, I am an electrical engineer.
    No, I will not fix your computer.

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    • #3
      rabagley
      Calguns Addict
      • Apr 2008
      • 7180

      Technically, he's right. Aluminum and stainless don't really corrode if exposed to dry air and moderate temperatures.

      Still a shame about having safe queens...
      "Ecuador offers the United States $23 million a year in economic aid, an amount similar to what we were receiving under the tariff benefits, with the purpose of providing human rights training that will contribute to avoid violations of people's privacy, that degrade humanity," --Fernando Alvarado

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      • #4
        bucktooth7
        Member
        • Feb 2010
        • 311

        I stand corrected!
        We will do as we will do because I am me and you are you.

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        • #5
          TKM
          Onward through the fog!
          CGN Contributor
          • Jul 2002
          • 10657

          I have a few of those revolvers. Rust/oxidation is much less of an issue than scratches.

          Really easily dinged with normal handling. I buy them to shoot them, but damn!
          It's not PTSD, it's nostalgia.

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          • #6
            Turo
            Calguns Addict
            • May 2009
            • 5066

            Originally posted by rabagley
            Technically, he's right. Aluminum and stainless don't really corrode if exposed to dry air and moderate temperatures.
            Sort of... Metals like Titanium and Aluminum oxidize very rapidly, but once one small layer of oxidation covers all parts of the metal, more oxidation cannot happen. Therefore, it appears that they cannot oxidize, but it's just that they can't do it any more than has already happened.

            I'm not sure how the Scandium alloy oxidizes, but I would assume it's similar to Al and Ti.

            Stainless Steel oxidizes (rusts) similarly to regular steel, it just does it at a much slower pace, because of its increased resistance to corrosion.
            "The tree of liberty must be refreshed from time to time, with the blood of patriots and tyrants. It is its natural manure."
            -Thomas Jefferson

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            • #7
              rabagley
              Calguns Addict
              • Apr 2008
              • 7180

              Originally posted by Turo
              I'm not sure how the Scandium alloy oxidizes, but I would assume it's similar to Al and Ti.
              Scandium alloy is an aluminum alloy. The scandium makes for an especially high strength aluminum alloy. In most other respects, including corrosion, it acts just like other aluminum alloys.

              Originally posted by Turo
              Stainless Steel oxidizes (rusts) similarly to regular steel, it just does it at a much slower pace, because of its increased resistance to corrosion.
              Actually, similar to aluminum, the chromium in most stainless steels oxidizes very quickly and creates a thin layer over the whole surface that protects against further corrosion. But if the stainless is in a low-oxygen environment (think bolts penetrating wet wood or fiberglass) then the chromium oxide will never form and the stainless will very quickly corrode.
              "Ecuador offers the United States $23 million a year in economic aid, an amount similar to what we were receiving under the tariff benefits, with the purpose of providing human rights training that will contribute to avoid violations of people's privacy, that degrade humanity," --Fernando Alvarado

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