Re: [MW:4141] RE: 4117] Preparation of WPS

Dear Gopu,

This is an unlisted material, but it can be qualified to itself as per ASME SEC IX.

Regards,
Vipin george
QA/QC engineer,
Specialist services,
Dubai

On Thu, Jan 21, 2010 at 6:45 PM, John Henning <jhenning@deltak.com> wrote:

Yes - however qualified base material(s) will be limited to specific material grade as it is not included in QW-422 list.

 

John Henning

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of GOPU NAIR
Sent: Thursday, January 21, 2010 12:52 AM
To: materials-welding@googlegroups.com
Subject: [MW:4117] Preparation of WPS

Dear All   Recently I have qualified a WPS on 20mm thick plate of EN10025 S355J2G3 using GTAW for root pass and SMAW for subsequent passes in accordance with Lloyds Register Rule for ship building.  The test piece has undergone Tansverse tensile test (2), Side bends (4) Impact test (3 Sets)  at centre of the weld, fusionline and HAZ at -20deg.C, Macro and Hardness (1). PT and RT were carried out the test samples prior to drawing the destructive test samples.  all the tests are passed with the required values. Record of welding for each run is prepared and maintained.   consumable used are ER70-S2 and E-7018-1 Plate material properties are: Yield 357 N/MM2, UTS 541 N/MM2, El;  30% IMPACT at -20deg C; 53min, 81 Av. C;0.18, Si: 0.35 Mn ;1.4, P    ;0.015, S : 0.002 Ce; 0.428   PQR as per the Lloyds rules is under preparation.   My question is whether I can prepare a WPS and PQR in accordance with ASME Sec. IX using the above records.   Regards   Gopu/CEPL

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