Monday, October 4, 2010

Re: [MW:7347] Welding procedure qualification for Hot tap


Hi,
For WPS fluid ets.,are all no need.
You can use your old WPS.But you check with the old WPS range and qualifications to your current project.If it suits..then go ahead.
Karthikeyan.S
QA/QC Manager
Getabec Energy Co.,Ltd.
379,Moo6,Soi8,Nikhomphatana,
Rayong-21180,
Thailand.
Phone: 0066 38 897035-8 (Off)
Fax: 0066 38 897034
Hand Phone: 0066 892512282


--- On Mon, 10/4/10, Eduardo Calva <eduardocalva@hotmail.com> wrote:

From: Eduardo Calva <eduardocalva@hotmail.com>
Subject: [MW:7346] Welding procedure qualification for Hot tap
To: materials-welding@googlegroups.com
Date: Monday, October 4, 2010, 2:29 PM

Can anybody tell me which are the variables to take in account in order to qualify a WPS for hot tap?, I mean, is it just diameter, thickness, material spec., ?, or do I have to take account temperature, flow, fliud characteristics?
 
Another question is:  Can I use a old WPS for HT used in other projects?


Eduardo Calva



 
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