Range of WPS

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  • January 31, 2018 at 11:46 pm #1772
    cassgazz
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    If the WPS has Grade 350, that is all you can weld.
    However, if the PQR was qualified on Grade 350, this allows you to weld anything from Grade 400 and below.

    See AS/NZS 1554.1:2011 Clause 4.8

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