Re: [MW:29863] Asme Section IX Thickness range qualification

For both process, Base metal thickness range is 5to50.8mm for combination or individual process BUT weld metal thickness is based on your deposited weldmetal thickness for each Process. There is restrictions on maximum side and no restrictions on minimum side. Conclusion. You can not weld base thickness less than 5mm. 

On Thu, 18 Jul 2019 8:34 am Isac Passaura, <isac.passaura@gmail.com> wrote:

Thanks for the feedback

Yes, snap is ready WPS, follows attached.

But according to QW-451 because the coupon thickness is 25.4mm, the qualified range would be 5 to 2T, regardless of having deposited only 8mm with the GTAW process?

Thanks.

Isac

Em quarta-feira, 17 de julho de 2019 04:37:57 UTC-3, Muneeb escreveu:

Yes you can, 

Your 25.4 mm with gtaw and smaw can write 2t ranges from your PQR for what has been deposited individually.

you are going to write a WPS or below snap is ready WPS?

Check impact / PWHT requirements for what you qualified and what recommended in production joint.

Thanks.

Mohamed Muneeb Mahaboob.

 

From: Isac Passaura

Date: 2019-07-17 04:25

To: Materials & Welding

Subject: [MW:29843] Asme Section IX Thickness range qualification

Dear Experts,

I have some difficulty to interpret the requirements of ASME section IX

I have a  PQR Based on a dual process GTAW+SMAW ( 8 mm+17,4 mm) on an 25,4 mm butt weld.

Can I make a weld using only the GTAW process, base metal with a thickness of less than 5mm?

Are the image conditions correct?

Please give with details explanation regarding my above difficulty.

Thanks and Regards

Isac

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