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metal guru's (stainless), why/how ?

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    metal guru's (stainless), why/how ?

    SUS 304 tube, un-touched straight from the supplier.... Magnet does not stick to it, no surprises there.

    Same tube after its been through our mandrel bender (soco), magnet sticks on the bends.

    Teh fuck is this trickery ?

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    #2
    The bender would have mild steel remnants on the surface which have stuck to your 304.
    2017 Ford Ranger XLT (Jeep Wrangler recovery vehicle)
    2007 KTM 250 SX

    Originally posted by Monza
    I've never considered myself the type of guy to eat arse but I am currently reviewing that policy

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      #3
      Originally posted by Greg Rust View Post
      The bender would have mild steel remnants on the surface which have stuck to your 304.
      We only uses our mandrel benders for SUS tubular product (nudge bars/sports bars/sidesteps).

      We also separate our manufacturing, mild steel is processed in a separate building.

      Last edited by fondles; 01-07-21, 10:47 PM.

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        #4
        Cold working.
        cold work deformation induces a transformation of the microstructure from austenite to martensite
        Lots of minis & mokes including a G13b powered Sports Sedan, a couple of Swift Gtis, a Goggomobil, Porsche 928S, Polo Gti, BMW 540i, a WRX and a few others.

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          #5
          Originally posted by awdmoke View Post
          Cold working.
          cold work deformation induces a transformation of the microstructure from austenite to martensite
          Interesting, care to elaborate ?

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            #6
            Ah yea nice one. That’s why some kitchen knives are magnetic.
            2017 Ford Ranger XLT (Jeep Wrangler recovery vehicle)
            2007 KTM 250 SX

            Originally posted by Monza
            I've never considered myself the type of guy to eat arse but I am currently reviewing that policy

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              #7
              It changes the crystalline structure.
              More info,
              Lots of minis & mokes including a G13b powered Sports Sedan, a couple of Swift Gtis, a Goggomobil, Porsche 928S, Polo Gti, BMW 540i, a WRX and a few others.

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                #8
                Originally posted by awdmoke View Post
                It changes the crystalline structure.
                More info,
                Awesome, Thanks.

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                  #9
                  Originally posted by awdmoke View Post
                  Cold working.
                  cold work deformation induces a transformation of the microstructure from austenite to martensite
                  was going to say just this but couldn't remember my austen martens.

                  Heat treat also effects the stainlessness of stainless steel, as a knifemaker politely informed me after I pointed out that a piece of stainless knife steel he was selling didn't look very stainless because it was covered in rust.

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                    #10
                    Originally posted by awdmoke View Post
                    It changes the crystalline structure.
                    More info,
                    TIL.

                    There truly is someone for everything on this forum.
                    Originally posted by piss98
                    fuck I'd be happy to suck Bill Gates off

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                      #11
                      Ha! I studied Applied Chemistry thirty years ago but learned a lot of metallurgy having to develop welding processes since then.
                      Lots of minis & mokes including a G13b powered Sports Sedan, a couple of Swift Gtis, a Goggomobil, Porsche 928S, Polo Gti, BMW 540i, a WRX and a few others.

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                        #12
                        Originally posted by awdmoke View Post
                        Cold working.
                        cold work deformation induces a transformation of the microstructure from austenite to martensite
                        Very well explained in simple terms. Metallurgy is awesome.

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                          #13
                          Originally posted by nutttr View Post

                          TIL.

                          There truly is someone for everything on this forum.
                          new line on CV: "successfully managed and overseen the manipulation and transformation of crystalline micro-structure of non ferrous materials. Specific knowledge in relation to cold work deformation and its part in the process of transition from austenite to martensite in these materials"

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                            #14
                            Originally posted by Roadsailing View Post
                            was going to say just this but couldn't remember my austen martens..


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                            Originally posted by Old Major
                            Perhaps she feels inadequate when you cum in other guys?

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                              #15
                              Learned something today.
                              And not just that roadsailing is a funny bugger.
                              Already knew that.
                              .

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