For CuNi 90:10 material to CS /LAS you can use ER 90:10 CuNi , If it is of CuNi 970:30 metallurgy to CS You can use Monel ENiCu7 which is best compatable for discimilar metal joining Regards Hegde p.B.
--- On Fri, 16/3/12, dr firshah <dr_firnas@yahoo.com> wrote:
From: dr firshah <dr_firnas@yahoo.com>
Subject: [MW:13895] Sample PQR fo CuNi Welding.
To: materials-welding@googlegroups.com
Date: Friday, 16 March, 2012, 3:11 PM
| I need your valuable advice on following CuNi Welding, We have some joints in for Seal Strip, Material CuNi (B171-C46400). FYI, we don't have PQR and qualified welder to weld this joint in case welding activity done in our workshop. I need your help to get sample PQR for my reference, because I planning to qualified this PQR. Need your suggestions on this cases as given in these photos, 1) To weld Sliding bar to tubesheet as detail C Material Specification: Sliding Bar: A283 Gr.C Tubesheet: A350-LF2 + B171 C46400 clad 2) BafBaffle plate to seal strip as detail B. mMaterial Specification: Baffle plate: B171 C46400 Seal strip: B171 C46400 Your assistance is appreciated. Aendraa Azhar Abdul Aziz Assistant Welding Engineer Sime Darby Joy Industries Sdn Bhd (formerly known as TMA-JOY Industries Asia Facific Sdn. Bhd)
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