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RE: [new_distillers] Re: Aluminium or stainless steel for the boiler

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  • bobcrowder2001
    Should have said less iron instead of no iron or steel. Thanks for the correction. Bob c Full explanation here.
    Message 1 of 18 , Mar 2, 2013
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      Should have said less iron instead of no iron or steel. Thanks for the correction.

       

      Bob c

      Full explanation here. http://en.wikipedia.org/wiki/Stainless_steel#Types_of_stainless_steel

       

        True SS is not magnetic.  Usually food grade is not magnetic.  Lots of store pots are made with steel and then chromium and nickel and that is magnetic. True stainless  has no iron or steel in it and is not magnetic.  

       

      Bob c

       




    • Alex Netherton
      Read closer. True stainless is indeed ferrous (contains iron), but the crystal structure is such that it is not magnetic. Can t call it steel if it ain t.
      Message 2 of 18 , Mar 2, 2013
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        Read closer. True stainless is indeed ferrous (contains iron), but the crystal structure is such that it is not magnetic. Can't call it steel if it ain't. Stainless contains different amounts of Chromium, Nickel, Cobalt, Molybdenum, what have you, such that some formulations, like the steel in Swiss Army Knives, is magnetic, where, say, the shafts of turbochargers have so much of another metal that they aren't. In an automotive re-manufacturing shop, we tossed stainless in the same scrap bin as other steel. Non-ferrous metals went somewhere else.
        Alex Netherton
        Blue Ridge Discovery

        On 3/2/2013 5:02 PM, self.adhesive@... wrote:
         

        Full explanation here. http://en.wikipedia.org/wiki/Stainless_steel#Types_of_stainless_steel



          True SS is not magnetic.  Usually food grade is not magnetic.  Lots of store pots are made with steel and then chromium and nickel and that is magnetic. True stainless  has no iron or steel in it and is not magnetic.  

         

        Bob c

         


      • M L
        I cut out the top of an old Coors keg for my brew pot. Yep, a magnet sticks, also sticks to my stock pot but not to the lid that came with it . Hmm, that s
        Message 3 of 18 , Mar 2, 2013
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          I cut out the top of an old Coors keg for my brew pot. Yep, a magnet sticks, also sticks to my stock pot but not to the lid that came with it . Hmm, that's strange.Guess the lid is a purer steel. And my stainless kitchen knives are stuck to a magnetic bar on the wall.
          --- On Fri, 3/1/13, Fredrick Lee <fredrick@...> wrote:

          From: Fredrick Lee <fredrick@...>
          Subject: Re: [new_distillers] Re: Aluminium or stainless steel for the boiler
          To: "new_distillers@yahoogroups.com" <new_distillers@yahoogroups.com>
          Date: Friday, March 1, 2013, 6:27 PM

           

          A magnet will not generally stick to 304 and 316L stainless kegs. If there are kegs made of other materials, I have not seen them. 
          pot but not to the lid that came with it , Hmm, strange that.
          On Mar 1, 2013, at 7:14 PM, M L <kekedog13@...> wrote:

           

          Keep a piece of  magnet with you to test with. It'll stick to stainless steel .

          --- On Fri, 3/1/13, steander@... <steander@...> wrote:

          From: steander@... <steander@...>
          Subject: [new_distillers] Re: Aluminium or stainless steel for the boiler
          To: new_distillers@yahoogroups.com
          Date: Friday, March 1, 2013, 2:08 PM

           



          Thanks all for your reply's, now the hardest part will be finding a stainless keg as all i can find is aluminium ones.

          Steve

        • o1bigtenor
          ... No it won t. A 300 series stainless will not hold a magnet a 400 series will. I have forgotten which is which but you have the ferritic, martensitic and
          Message 4 of 18 , Mar 3, 2013
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            On Fri, Mar 1, 2013 at 4:14 PM, M L <kekedog13@...> wrote:


            Keep a piece of  magnet with you to test with. It'll stick to stainless steel .

            No it won't. A 300 series stainless will not hold a magnet a 400 series will. I have forgotten which is which but you have the ferritic, martensitic and austenitic.

            Your 316 is a very common SS so is 304.

            (Machinist/pressure welder here.)              D

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