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Recent content by dlmann

  1. dlmann

    WPS for Alloy 330

    metengr: Thank-you for responding. After reading your post I looked over our specifications and did not see any reference that requires use of only AWS/SFA specified fillers. Typically on the application (chutes leading into a rotary kiln) where we use alloy 330, the welding requirements are...
  2. dlmann

    WPS for Alloy 330

    Our WPS for welding alloy RA 330 (P46) is qualified with GTAW RA 330-04 and SMAW RA 330-04-16 (Stainless steel electrode with approx 35% Ni, 19% CR, and 5.2% Mn). Those filler identifications are a Rolled Alloys designation vs. an AWS classification. I contacted Rolled Alloys two years ago to...
  3. dlmann

    welder qualification (Number P)

    P1 through P11, P34, P41 through P47, and unassigned material of similar chemical composition
  4. dlmann

    UT thickness on Vinyl Ester lined tanks

    Have a 0.375 in., shell and head, tank with internal Flake Glass Reinforced Vinyl Ester coating system (3 coats totaling 50 mils)and coated externally with Semcrete No. 954 Epoxy (12 mils). 1. Is it possible that when we take thickness measurements from the outside of the tank that the sound...
  5. dlmann

    Flake Glass Reinforced Vinyl Ester

    Have a 0.375 in. shell and head tank with internal Flake Glass Reinforced Vinyl Ester coating system (3 coats totaling 50 mils)and coated externally with Semcrete No. 954 Epoxy (12 mils). 1. Is it possible that when we take thickness measurements from the outside of the tank that the sound...
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