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Which Electrodes/Wire A572

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  • Which Electrodes/Wire A572

    Have a customer wanting you attach a bracket made from A572 to a tractor bucket that is most likely A572 as well. I’d use E7018/8018 sticks for this.

    What GMAW wire would you folks suggest. Will ER70S-6 work or will I need to purchase another filler metal?

    I looked for a chart that would match filler to work material but didn’t find anything. I can’t believe there isn’t something like that and I just don’t know what I’m looking for correctly.
    =======================
    Miller 211 AutoSet
    Miller Dynasty 200 DX
    Thermal Dynamics Cutmaster 42

    "The Sleep of Reason Produces Monsters"
    Francisco Goya

  • #2
    Myself i would use a dual shield mig wire and co2...Bob
    Bob Wright

    Comment


    • #3
      Ditto with Bob or a t11 wire but why not use 7018/8018? It is just a bracket so the time saving is non existent I would think? Not knowing the application I would shy away from er70s wire.
      MM250
      Trailblazer 250g
      22a feeder
      Lincoln ac/dc 225
      Victor O/A
      MM200 black face
      Whitney 30 ton hydraulic punch
      Lown 1/8x 36" power roller
      Arco roto-phase model M
      Vectrax 7x12 band saw
      Miller spectrum 875
      30a spoolgun w/wc-24
      Syncrowave 250
      RCCS-14

      Comment


      • #4
        I most likely ‘will’ use 7018 as I don’t have any dial shield or CO2 in stock. But I’ve got this new MMatic 255 I keep looking for things to weld with so that’s where my wire question comes from.
        =======================
        Miller 211 AutoSet
        Miller Dynasty 200 DX
        Thermal Dynamics Cutmaster 42

        "The Sleep of Reason Produces Monsters"
        Francisco Goya

        Comment


        • #5
          Get you some dual shield. I love that stuff. Some of the stuff I have runs on C25.

          Comment


          • #6
            Dual shield is so well used in shops most don't have stick machines anymore...Bob
            Bob Wright

            Comment


            • #7
              This time of year, I tend to stick weld more than I do when the weather isn’t trying to air fry my brain. A couple of the shops I work in, let’s just say those mechanics would hang me high if I turned those fans off.

              Comment


              • #8
                I run esab 7100 ultra with 75/25 mix. If you think you will have some heavier stuff to do I would get a spool of .045 to keep around.
                MM250
                Trailblazer 250g
                22a feeder
                Lincoln ac/dc 225
                Victor O/A
                MM200 black face
                Whitney 30 ton hydraulic punch
                Lown 1/8x 36" power roller
                Arco roto-phase model M
                Vectrax 7x12 band saw
                Miller spectrum 875
                30a spoolgun w/wc-24
                Syncrowave 250
                RCCS-14

                Comment


                • #9
                  I was running that 7100 ultra and I switched to the select-arc 730....supposed to be resistant to the humidity I live in. Seems solid so far and it runs on 75/25.

                  Comment


                  • #10
                    I ran ESAB 7100 everyday with 75/25 at work. Then the QC made me switch to CO2 because my certs didn't cover 75/25...Bob
                    Bob Wright

                    Comment


                    • #11
                      ESAB states on their web page: "Dual Shield 7100 Ultra can be used with either 100% CO2 or 75% Ar/25% CO2"

                      I guess QC or customer specs can override that but at least the manufacturer thinks it's ok which works for me cuz I AM QC in my shop. LOL
                      ==============
                      Miller 211 MVP
                      Hobart StickMate LX 235
                      Lincoln AC 225
                      CutMaster 42

                      Comment


                      • #12
                        When I worked in a fab shop we used CO2 with 7100 ultra because it was cheaper than mixed gas. If you are running it all day long everyday it adds up. Now working for myself I don't run it all the time so I just run 75/25 mix instead of having another bottle around. I have also heard, but no data from me to back it up, that it runs a little hotter with CO2.
                        MM250
                        Trailblazer 250g
                        22a feeder
                        Lincoln ac/dc 225
                        Victor O/A
                        MM200 black face
                        Whitney 30 ton hydraulic punch
                        Lown 1/8x 36" power roller
                        Arco roto-phase model M
                        Vectrax 7x12 band saw
                        Miller spectrum 875
                        30a spoolgun w/wc-24
                        Syncrowave 250
                        RCCS-14

                        Comment


                        • #13
                          Had i taken my certification with 7100 and 75/25 thats what i would have to use but i used C02 because it was specific to the test..Bob
                          Bob Wright

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                          • #14
                            MMW: I can understand this as CO 2 is what’s used to achieve globular transfer which is a lot hotter process with greater penetration than other processes.
                            =======================
                            Miller 211 AutoSet
                            Miller Dynasty 200 DX
                            Thermal Dynamics Cutmaster 42

                            "The Sleep of Reason Produces Monsters"
                            Francisco Goya

                            Comment


                            • #15
                              Friend of mine works at a pretty big fab shop locally, they make brush hogs and other small tractor implements there, but they changed to straight CO2 a couple years ago strictly based on the cost. I’m sure they use a lot. It’s one of those shops where the shielding gas is piped around from an upright bulk storage tank
                              outside.

                              He hates it. Well, hate is a strong word....he would very much prefer to use C25, and he’s the shop foreman. They use a lot of dual shield there, but he says all they get is the cheapest wire the purchasing agent can find.

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