Why Do Stainless Welds Discolor Bad?

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    • #58736
      Participant
      Karen Huang

        My stainless welds discolor on 1/8-inch plate using TIG with 308L filler at 25 CFH, looks brown. Any fixes?

      • #58738
        Participant
        Sherry Aguilar

          Discoloration means low gas flow. Increase argon to 30 CFH. Use 316L filler for cleaner welds. My welds stayed shiny. Clean with alchohol. Check for leaks. Polish with 3M pad.

        • #58739
          Participant
          Victoria Miller

            use Lincoln Precision TIG for cleaner welds

          • #58740
            Participant
            Sierra Salazar

              Polish with wire wheel. My welds look clean. Use 316L filler.

            • #58741
              Participant
              Tammy Bennett

                Check gas lens for flow. My welds stopped discoloring. Use 25 CFH.

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