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I do have the next situation: We have WPS based on testing Clause 4. and CNV testing is applicalble for the customer job. Customer wil not accept acc to tabel 4.5 proces parameters: the range for voltage increase or decrease >7% and Amperage >10 procent. At tabele 4.6 is mentioned that 9)an...

GTAW! Thank for your helpfull explanation. Fo fo my understanding, if i Qualfiy a joint 1G with 70 degrees bevel acc to clause 4 (AWS D.1.1 2010)i have to deal with the limitations of tabel 4.5 and 4.6, because Charpy-V notch requirments we do have to our customer. Than my range of...

I want to make a general butter procedure, Acc to AWS D.1.1. wicht part of the AWS does refer to such a procedure.

Quote: don't see why the customer would find this problematic, given that an increase in groove angle is not an essential variable.'Unquote I am not so involved with AWS D.1.1 here in Europe often EN-ISO 15614-1 is involved. I found value after long search that a prequalified WPS(Clause 3) or...

Sorry it was not easy reading, i do mean that material properties of the pipe yield ( X80) are going down from minimum requirments as stated in ASME lX, for material in as welded condition The Qualification was ok with PWHT 2 hours, and 4 hours, all qualified by witnessing ABS the point is ...

We have Qualified X80 pipe to AISI 4130 flange acc to ASME lX With ABS witnessing Authority. The Tube/Flange(21") is PWHT condition after welding. Now inspector says, that this procedure is not anymore According ASME lX, because of the PWHT treatment, The X80 Yield strength lowers the pipe...

Acc. to AWS D.1.1 Clause 3, it is allowed to have a bevel on Single V-joint as Figure 3.4- "Prequalified CJP Groove Welded Joint Details" Limitations are for FCAW welding max groove angle 60 degrees +10 - 0. However, can i Qualify a joint type 80 degrees as for Clause 4 'Part B-Welding...