[MW:3661] RE: 3659] PQR for P355 NL2 grade material as per EN 287 and EN 288

Dear Dinesh

We have 3 WPS for same material in our projects. One of them is welded by SMAW E 8016C1 kobe LB 62 L. other one is welded by SMAW E 8016C1 Kobe only root pass & other passes SAW US 36LT kobe whit PF 100H as a powder. Also we have other WPS which root & hot pass by GTAW ER 80s Ni1 Esab & filling & cap by SMAW E 8018C1 Esab. But due to less thickness in our job compare yours we didn’t any PWHT .

 

 

Sincerely yours

Hamed

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of DINESH TIWARI
Sent: Sunday, November 15, 2009 9:04 AM
To: welding groiup
Subject: [MW:3659] PQR for P355 NL2 grade material as per EN 287 and EN 288

 

Dear All , 1 >We have a special job to be made as per European Standard and we need to qualify a         PQR for the same . Base material : P 355 NL2 Impact Requirement : 42 Joules at -50 degrees ( minus 50 ) Max thickness : 90mm 2>Weld joint of this job also has a requirement of strain relieve anneal treatment. Please let us know following : 1> Suitable consumable to qualify this PQR for SMAW and SAW 2> Cycle for strain relieve anneal treatment 3> Any specific care to be taken to meet the impact requirement With Best Regards   Dinesh Tiwari

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