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  1. baig1111970

    Welding of A312 TP 321H to PII pipe

    Thanks for reply. I understand that for any these kind of welds we need to have PQR & WPS. However, have anybody practical experience of welding PII pipe with A312-TP321H without cladding. please also mention service for which this piping system is in use. In my case service is natural gas &...
  2. baig1111970

    Welding of A312 TP 321H to PII pipe

    I would like to know the requirement of inconal Cladding on 1¼Cr. ½Mo. (PII) pipe & its PWHT prior to its welding to Stainless steel piping (SS321H) Ayaz

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