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Recent content by DaveMacK

  1. DaveMacK

    Optimum root opening

    Thank you for the replies. I am using the 0.0-0.1t for the root opening. Welding 0.100” thick 6-4 Ti ,I am having difficulty achieving complete penetration the length of the plate. I am running at 200 to 230 amps: Utilizing an inert atmosphere glove-box My usual Ti welding is from 0.005” to...
  2. DaveMacK

    Optimum root opening

    What is the optimum root opening, for complete penetration weld, in a single pass, one side only for the material and joint described below? Weld process is GTAW, 3/32 tungsten, 2% thor. Titanium 6Al 4V, 0.100” thick Single V butt joint, 60 Deg included angle with 0.025 root face. Also...
  3. DaveMacK

    Molybdenum GTAW filer rod.

    Thank you Unclesyd for the information. I will investigate these companies as soon as possible. I can not believe how much trouble I am having finding a supplier for Molybdenum GTAW (tig) filler wire.
  4. DaveMacK

    Molybdenum GTAW filer rod.

    I am trying to find a reliable supplier of Molybdenum GTAW filer rod. I will be welding Molybdenum tube and machined parts. Material is Molybdenum 99.95% TZM: (Ti: 0.4?0.55%, Zr: 0.06?0.12%) The material to be welded is Molybdenum NOT a metal alloyed with Molybdenum. Thanks, Dave

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