Materials & Welding: Re: [MW:30730] BASE METAL THIKNESS FOR PQR

Thursday, April 9, 2020

Re: [MW:30730] BASE METAL THIKNESS FOR PQR

SO NOW CHECK WHAT I MENTION ON THE WPS APPLICABLE CODE IS API 1104

AND FOR THE QUALIFICATION OF PROCEDURE AND WELDER I MENTION ALSO API 1104

SO I WANT OT KNOW IF I USE TEST COUPON OF 6'' AND THICKNESS 7.92 mm WHATS THE MAXIUMUIM RANGE FOR SIZE AND THICKNESS IN THE BASE METAL ANY INFORMATION FROM API 1104

AND WHAT IF I ADD API 5L X60 WITH 65 ITS MEAN I WILL PREPARE TWO TEST COUPON OR ONLY ONE OF X60 IS ENOUGH

Le jeudi 9 avril 2020 13:05:04 UTC+2, gerr...@yahoo.com a écrit :

Instead of being confused, first you should know what is your Job.

Then the design Code ASME B 31.4 or ASME B31.8

Snap shot provided below for you to decide.

See below requirement and snap shot of ASME B 31.8

Thanks & Regards
J.Gerald Jayakumar

On Thursday, April 9, 2020, 05:00:52 PM GMT+7, QA/QC <adnan...@gmail.com> wrote:

IM CONFUSED , NORMALLY WHAT I SHOULD TO USE ASME 9 OR API 1104

Le jeudi 9 avril 2020 07:02:56 UTC+2, gerr...@yahoo.com a écrit :
By below mail was based on API 1104 Code which considers yield strength as essential variable.

From your below mail I understand you are using ASME Sec.IX (correct me of I am wrong).

Acc to ASME Sec.IX one PQR is sufficient for API 5L X60 - X65 as they both fall under P1 Gr.2.

Acc to ASME Sec.IX thickness range qualified is 1.5mm to 15.84mm

Thanks & Regards
J.Gerald Jayakumar

On Thursday, April 9, 2020, 11:23:55 AM GMT+7, QA/QC <adnan...@gmail.com> wrote:

tnx for your reply

So its mean that i should prepare two different Test coupon or what

and for the maximum thikness of base metal from QW 451.1 THEY MENTION THAT T QUALIFIED X 2 ITS MEAN 7.92 X2 = 15.84 mm

Le mercredi 8 avril 2020 13:52:38 UTC+2, gerr...@yahoo.com a écrit :
Considering Pipeline, API 1104 code was considered for below.

1. One PQR for X60 material
2. Another PQR for X65 material to be qualified'

If you qualify PQR on 6 inch wall thickness 7.92 mm then it qualifies from wall thickness 4.8mm to 19.1mm and no Limitation on Diameter

Thanks & Regards
J.Gerald Jayakumar

On Wednesday, April 8, 2020, 03:10:03 PM GMT+7, QA/QC <adnan...@gmail.com> wrote:

Hello

i want to prepare a WPS for pipeline work with base metal API 5L X60 - X65 SMAW

for the test coupon i want to use 6" with thickness = 7.92 mm

want to know the minimum and maximum range for size and thickness used for the PQR

BEST REGARDS

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