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  1. Jegan Thiyagarajan

    Clarification on welding operator essential variables

    I am responsible for welding operator only. In our organization, we used to weld cladding by machine welding (Fronius International machine) GTAW-P Process. As per Section IX: Welder - one who performs manual or semi-automatic welding Welding operator - one who operates machine or Automatic...
  2. Jegan Thiyagarajan

    Clarification on welding operator essential variables

    Dear DekDee, Thanks. QW-423 Alternative base materials for welder qualification is also applicable for both welder and welding operator. Bcoz we qualified our welding operator on AISI4130 base material (Unassigned). plz advice.
  3. Jegan Thiyagarajan

    Clarification on welding operator essential variables

    Daer Don56, Would you please explain this in detail? Thanks Jegan Thiyagarajan
  4. Jegan Thiyagarajan

    Clarification on welding operator essential variables

    Dear Dhurjati sen, I reviewed QW-433, this is for alternative F.No for welder performance qualification. This will not applicable for welding operator performance qualification. Because the term welder and welding operator are different as per ASME Sec IX. Thanks Jegan.t
  5. Jegan Thiyagarajan

    Clarification on welding operator essential variables

    As per Sec IX QW-360; For welding operator P.No & F.no is not an essential variable It's related to Overlay welding (Cladding). I have a qualification for welding operator with AISI4130 base material + Inconel 625 filler wire. Whether this welding operator can do overlay welding (Cladding)...
  6. Jegan Thiyagarajan

    Welding Operator Essential Variable

    yes it's related to Overlay welding (Cladding). I have a qualification for welding operator with AISI4130 base material + Inconel 625 filler wire. Whether this welding operator can do overlay welding (Cladding) for different Base material with different filler wire without qualifying him again...
  7. Jegan Thiyagarajan

    Welding Operator Essential Variable

    As per Sec IX QW-360; P.No & F.no is not an essential variable for welding operator - Machine welding My concern is we have different procedure qualification (WPS) in our database. If welding operator qualified for Sl.No.1 below can weld Sl.No. 2 to 7 within the limits of the essential...

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