Fw: [MW:19583] Re: Dissimilar Base Metal thikness QW-202.4

Hi!

If both material is of P1

If you qualify PQR of  P1 to P1  on 38mm thk plate you are satisfying all condition given in QW 202.4 a and b(2) and with this PQR you can weld between  5mm -200mm thinner component  to any thicker component of P1(In your case) of any weld configuration

Regards

Hegde P.B.

----- Forwarded Message -----
From: S.Mohammed <mohd52100@gmail.com>
To: materials-welding@googlegroups.com
Cc: Hardik Pandya <hardik_real@yahoo.co.in>
Sent: Friday, 13 December 2013 1:03 PM
Subject: [MW:19581] Re: Dissimilar Base Metal thikness QW-202.4

Dear sir,

Thanks for reply,

 

Pl find attachment for Joint Reference,Materials-P1-P1 available WPS qualified up to 20mm

Fig-1 : Considering 202.4 dissimilar joint requirement, base metal qualification up to 65mm need for welding   YES/NO

 Fig-2 : Considering 202.4 dissimilar joint requirement, base metal qualification up to 65mm need for welding   YES/NO 

 Fig-3 : Considering 202.4 dissimilar joint requirement, base metal qualification up to 65mm need for welding   YES/NO 

 Fig-4 : Considering 202.4 dissimilar joint requirement, base metal qualification up to 65mm need for welding   YES/NO 

regards,

mohd.

On Monday, December 9, 2013 7:41:49 AM UTC, HEMANT SUTHAR wrote:

Dear Sir,

I have to weld SA 516 Gr.70 (37mm Thk) Tube sheet to SA 516 Gr.70 (10 mm Thk) Shell as per below given weld details.

I have Qualified WPS of  P1 to P1 material for 20 mm max. Base metal Thikness.

Now as per QW-202.4 Thicker member Thickness shall be within the range permitted by QW-451. My thicker member thickness is 37 mm.

Kindly pls explain me to can I use WPS yes or No with explanation.

 

 

 

Regards

Hemant H suthar

Asst. Manager QA/QC

Chemithon Engineers Pvt Ltd.

Khanvel-Kheradi Road. Silvassa, UT of DNH

Website: www.chemithon.co.in

Office Contact: 0260 2677889 / 2677036 , 37 Cell : 9712973092

 

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