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multiple WPS in the single production joints

multiple WPS in the single production joints

multiple WPS in the single production joints

Dear Expert,

Kindly clarify, Can I use more than 1 WPS in a single production joint
eg: one WPS for SMAW
another WPS for SAW,
Can I use these two, For root/hot pass-SMAW wps
For Fill/cap pass-SAW wps
Note: The PQR combination of SMAW and SAW is not done to form a single WPS(SMAW+SAW)

RE: multiple WPS in the single production joints

I suppose it can be done (I don't think it's stated anywhere that this is not allowed), however it is unusual and may be the source of potential problems.
Why don't you write a WPS that combines SMAW and SAW? This is far more usual, I haven't really seen it done otherwise.

A WPS can be covered using two or more PQR's, so that shouldn't be the reason to use 2 different WPSses.

RE: multiple WPS in the single production joints

Yes, no problem. See QW-200.4

RE: multiple WPS in the single production joints

Yes and it may be preferred since the SAW welder has no need to know the requirements for the SMAW welder and vice versa.

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