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Spinning and welding stainless

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  • Spinning and welding stainless

    A customer of mine has a stainless brewing tank that we have to make a new top for. I've found a local shop to spin the 48" round top into a dome shape but the only stainless my local steel yard can get is 304L with a 2B finish. Is that ok for the spinning process, or is there a better finish/stainless to use that is still good for food grade?
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  • #2
    From what i remember from my SS days was the 2B stainless was the rougher side. But that was a few years ago...Bob
    http://www.brewingtechniques.com/lib....6/palmer.html
    Bob Wright

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    • #3
      instead of reinventing the wheel, ask the guy at the metal spinning shop for his input.

      it might save you some money and stress
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      • #4
        304L (stainless steel low carbon) is not food grade, 316 is. I have a guy in Richmond, Va. who does a great job at building parts for hoppers and such. If you need his info send me a mail.

        [email protected]

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        • #5
          Originally posted by Dingus View Post
          304L (stainless steel low carbon) is not food grade, 316 is. I have a guy in Richmond, Va. who does a great job at building parts for hoppers and such. If you need his info send me a mail.

          [email protected]
          email sent
          F450 crewcab flatbed
          Miller Bobcat 250
          Miller 8VS suitcase
          Millermatic 251
          Millermatic 180
          Miller Spectrum 375
          Miller Econotig & 150 STH
          Enough snap-on tools to prevent my future kids from going to college

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          • #6
            Tanks are usually made of 316 stainless in the food industry. 304 is also food grade stainless, I used it for years in the dairy industry for the piping.


            The valves, some fittings, and the tanks were 316-L. The piping was 304-L.
            mike sr

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            • #7
              Originally posted by Dingus View Post
              304L (stainless steel low carbon) is not food grade, 316 is. I have a guy in Richmond, Va. who does a great job at building parts for hoppers and such. If you need his info send me a mail.

              [email protected]
              I too believe 304 is food grade. 316 is chemical grade for acids and such.

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