ans some times in SAW process require same brand of wire/flux combination in API codes
-- On Tue, Jan 25, 2011 at 10:27 PM, John Henning <jhenning@deltak.com> wrote:
No it is not. Code only requires same F number {QW-404.4} and, if
appropriate, A number {QW-404.5}.
Typically a customer requirement.
John
-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of sn vl
Sent: Tuesday, January 25, 2011 8:36 AM
To: Materials & Welding
Subject: [MW:9462] Electrode Vs WPS & PQR
Hi..
It is Mandatory to USE the same electrode used in PQR , in Production
welds..
Regards
SN
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