For some P numbers preheat is mandatory
Best regards
Dr Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
HBS Regional Technical Manager
From: Mohit Aggarwal [aggarwalmohit05@gmail.com]
Sent: 08/26/2014 11:58 AM ZE5B
To: materials-welding <materials-welding@googlegroups.com>
Subject: Re: [MW:21706] Is preheating requirement based on weld-metal or base metal
Dear,
Preheating is required min.100 deg as thk is greater than 25 and it is good engineering practice..
Best Regards,
Mohit Aggarwal.
On 26-Aug-2014 10:44 AM, "Mhaskar Aly" <mhaskar.aly@gmail.com> wrote:
-- Dear Friends,--Kindly clarify whether preheating requirement is based on weld-metal or base metal.I have a PQR with 36mm thk base metal 8mm GTAW & 10mm SMAWWPSBase metal 5-36mmWeldmetal: 20mm max.(SMAW)Weldmetal 16mm max (GTAW)If I have to do10mm fillet weld with SMAW process for 10mm thk Skirt to Base metal 36mm corner joint, is preheating required?Please provide your response with Code referenceThank you in advanceAly
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