Tuesday, August 3, 2010

RE: [MW:6286] RE: 6250] clad welding

CKP
When you go for inside bevel? clad restoration area will be more in that case!


From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Chaitanya Purohit
Sent: Tuesday, August 03, 2010 4:50 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:6285] RE: 6250] clad welding


see attached file for better clarity.

On 2 August 2010 17:21, Potter, Richard <RPotter@itses.com> wrote:
The base material 516-70 should be masked back so that the cladding is
about 1/2" back from the edge of the bevel on both sides.
You would then weld the 516-70 to 516-70 under your normal conditions.
After the required NDE is completed you would restore the 410 cladding.

-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of lusky
Sent: Monday, August 02, 2010 6:44 AM
To: Materials & Welding
Subject: [MW:6250] clad welding

I have to weld SA516 Gr 70 which has a 410 clad backing has anybody
done this? if so how were the results, there is no PWHT involved. 25mm
thick plate for a pressure vessle.
I have to qualify a PQR would be interested to read all comments



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