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AWS PQR testing

AWS PQR testing

AWS PQR testing

(OP)
Can A514, TP100 and Domex be groped together for PQR testing?

RE: AWS PQR testing

Get a Sect IX and look them up.  You REALLY don't want to try to develop a WPS with its PQR(s) without one.

Or hire a Welding Engineer.

RE: AWS PQR testing

AWS what?  There's a lot more than one AWS code.  If you're referring to D1.1, it does not have provisions for grouping materials that are unlisted in Table 3.1 or Annex M.  Table 4.7 covers the limitations of base metal group combinations permitted by PQR testing.

RE: AWS PQR testing

Get a copy of AWS B2.1 -2009
Specification for Welding Procedure and Performance
Qualification
. This specification provides material group numbers and list of base materials.

RE: AWS PQR testing

Just be aware that invoking B2.1, and the associated material groupings therein, needs to be accepted for use by "The Engineer".  Not a big deal for most, but can be an area of heartburn if you have a less-than-understanding client doing the design and you're the fabricator.   

RE: AWS PQR testing

The principal behind grouping materials is to eliminate the amount of PQR's hence AWS has provided the excerpt free for download...  http://pubs.aws.org/free_downloads/AWS_B2.1_BMG_BASE_METAL_GROUPING_FOR_WELDING_PROCEDURE_AND_PERFORMANCE_QUALIFICATION_2009.pdf

As Mr168 points out, most clients consider themselves 'The Engineer' and will not accept the clause in the code, probably due to ignorance.  But worth checking first to get your ducks in a row for a substantiated debate, which probably will not go your way.  Good luck!
 

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