Monday, March 18, 2019

RE: [MW:29302] wps

No

On 18 Mar 2019 9:24 pm, "'HENNING John' via Materials & Welding" <materials-welding@googlegroups.com> wrote:

No.  See below – it is a non-essential variable that must be addressed on the WPS but to change it does not require a new procedure qualification.

 

 

 

QW-402.4 The deletion of the backing in single

welded groove welds. Doublewelded groove welds are

considered welding with backing.

 

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of A.y
Sent: Wednesday, March 13, 2019 3:36 AM
To: Materials & Welding
Subject: [MW:29263] wps

 

addition backing in smaw process for wps is a essential Variables?

 

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