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  1. salvo1609

    From AWS 5.20 To AWS 5.36

    For our qualifications PQR (last done in 2012) to cored wire for carbon steel, we use the wire classified SFA / AWS A5.20 E71T-1M. Today we received from our supplier wire classified SFA / AWS A5.36 E71T1-M21A0-CS2. The classification QW-404.12 is different, we have to issue new qualification?
  2. salvo1609

    QW-404.33

    indeed the 404.33 with specific heat is not possible to use because that heat number of filler material is finished GTAW 482 say no essenzial variable, in wps document therefore can be N/A inc ase i don't have material and don't use in case my company choice to have a new supply of filler...
  3. salvo1609

    QW-404.33

    Qw-404.33 has to be displayed in WPS process in GTAW. If i changed the material i don't need the requalification but how I have to type in WPS. it is not applicable (N.A.) or not used ( Not Used ) Salvo ( italy)

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