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Up Topic Welding Industry / General Welding Discussion / Welder qualification according to ASME sec ix
- - By Bijit Sarkar (*) Date 02-19-2016 11:40
If my welder is qualified with groove, which means qualified for pipe of diameter 73mm and above. Can I use that welder to weld set through nozzle, if nozzle diameter is less than 73mm, lets say 50mm? My doubt is due to the groove present in shell not on nozzle.
Parent - By 803056 (*****) Date 02-19-2016 20:14
No.

Al
Parent - - By pipewelder_1999 (****) Date 02-20-2016 03:15 Edited 02-20-2016 12:42
Yes the welder is qualified.
If the nozzle passes through the shell, the diameter of the nozzle is not a restriction based upon the qualification range of the welder.

At least that's how I recall an interpretation.

Have a good day.

Gerald
Parent - - By Bijit Sarkar (*) Date 02-20-2016 04:16
Can you tell the interpretation number where I can find this
Parent - - By pipewelder_1999 (****) Date 02-20-2016 12:42
https://youtu.be/HBOfE2MoiL8 is a video showing how to look up interpretations. No narration
Parent - By Bijit Sarkar (*) Date 02-20-2016 12:55
Thank you sir, I am really gratefue for your help
Parent - By electrode (***) Date 02-20-2016 14:27
Everyday there's something new.
Superb!

Thank you for sharing.
Parent - By pipewelder_1999 (****) Date 05-17-2016 10:16
The thickness of the shell would be the variable to address with the range of qualification. Diameter is not the concern.

https://cstools.asme.org/Interpretation/InterpretationDetail.cfm?TrackingNumber=5246#

https://cstools.asme.org/Interpretation/InterpretationDetail.cfm?TrackingNumber=9795

Have a great day.
- - By 803056 (*****) Date 02-20-2016 15:16
Always, Sometimes, Maybe, or Except. Never fails.

Al:eek:
Parent - - By pipewelder_1999 (****) Date 02-20-2016 15:31
Yup.

I think (for me) ASME IX is much clearer than some of the others and easier to follow but still pretty complicated. At least its not like the big red book where when it comes out AFTER 5 years for $500+ and STILL has an errata sheet with it. With some content very close in location and reference to errata sheets of old.

Have a good one Al.

Gerald
Parent - - By 803056 (*****) Date 02-20-2016 15:34
Yea, my motion to have the Certification Committee boycott D1.1:2016 didn't get too far. One must not throw stones at the sacred cow.

Al
Parent - - By pipewelder_1999 (****) Date 02-20-2016 16:24
Anything to change up either the CWI program or the Big Red Book will probably never go over well according to those annual financial reports.
Parent - By 803056 (*****) Date 02-20-2016 18:19
Nailed it!

Al
Parent - - By jon20013 (*****) Date 02-20-2016 21:11
Hence my allegiance to ASME....
Parent - - By js55 (*****) Date 02-22-2016 13:54
I would in general concur with the opinions favorable to ASME. But then I get into the impact testing requirements of B31.3 and my head explodes.
Parent - - By jon20013 (*****) Date 02-23-2016 01:52
js55, I was force fed B31.3 impact requirements for several years... I "think" I finally understand.... well, maybe sort of.....
Parent - - By js55 (*****) Date 02-23-2016 20:19
jon,
I once thought that too. Then I find something new. Sometimes good. Sometimes not so good.
Parent - By CWI555 (*****) Date 02-27-2016 16:37
Sometimes it seems as if they deliberately obscure the subject. Guess mamma needs a new pair of shoes every so often....
- By Rab8621 Date 05-12-2016 08:34
Good Day!

We are going to proceed for the welding of the Above ground Storage Tanks (Service Water, Raw Water, Potable water, fire water),,

Please, What's the required Qualifications for this type of welding? WPS & PQR & WQT

Thanks
Up Topic Welding Industry / General Welding Discussion / Welder qualification according to ASME sec ix

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