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A588 with 80 filler procedure question?

A588 with 80 filler procedure question?

A588 with 80 filler procedure question?

(OP)
If welding a588 that is going to be exposed, bare weathered, multi pass groove with E8XTX A5.29 filler metal for atmosheric corrosion and weathering characteristics, can this be done with a pre-qualified wps?

A558 is a group II material, therefore can you write a wps just for A588 welded with 80 series filler or would you have to produce a pqr?

Table 4.5 PQR essential variable changes - filler metal 1) Increase in filler metal classification strength. But, Table 3.1, A588 with note b Special welding material and WPS(e.g. E80XX-X low alloy electrodes) may be required ect. ect.

So does that mean that you can write a WPS prequalified to meet the requirement, or does a PQR need to be performed, I'm a little stumped...

Thanks for advice/comments,
Robert

RE: A588 with 80 filler procedure question?

AWS does not offer any SWPS's for any E80XX-X filler metals.  And as you noted filler metal is an essential variable.  I would think that 80 series filler is common enough that tests reports and WPS's are available.  But, I also think the PQR tests are required to develop at WPS.   

http://www.FerrellEngineering.com

RE: A588 with 80 filler procedure question?

(OP)
Thank you Connecteqr...

Can someone move this post there rather than I be double posting?

Thanks,
QCRobert

RE: A588 with 80 filler procedure question?

(OP)
connecteqr,

Table 3.1 Prequalified Base Metals-Filler Metal Combinations list in Group III 80 series electrodes.

RE: A588 with 80 filler procedure question?

I agree that 80 series electrodes are prequalified, just like 70 series.  But a WPS is also required with the use of 70 series electrodes.  The process for developing a WPS is the same.  A SWPS provides the standard welding procedures with the testing verified by AWS.  But, none are provided for the 80 series and carbon steel.  So, I think you have to develop a WPS with PQR testing.  

http://www.FerrellEngineering.com

RE: A588 with 80 filler procedure question?

(OP)
I took you advice and posted on the AWS welding code issues category.

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