I am of the same opinion. We will not be removing the existing cladding.
The problem with an elevated Pre-heat is that this work would be done in the field where conditions are difficult as is, adding a pre-heat always complicates matters......
We have in the past done a preheat of 100C on...
I have a project where I have to perform 3 mm of GMAW CRO (ErNiCrMo-3) onto a Vessel that had previously had 3 mm of 316L CRO applied by SAW to a SA516 Gr 70 Vessel. The vessel is ASME VIII Div 2 and also has to conform to NACE for Sour Service. The vessel is in Sour Service and is 2" thick...
I have a Question on how Qualify Inconel 625 CRO (Automated GMAW) onto 316L Strip Welded SAW on 516 Gr 70 Plate. I have a client that needs to have his 3mm 316L cladding overlayed with 3mm of Inconel 625, I use automated GMAW. The question has now surfaced, how does one qualify it:
1) On SA 516...
I have a Question on how Qualify Inconel 625 CRO (Automated GMAW) onto 316L Strip Welded SAW on 516 Gr 70 Plate. I have a client that needs to have his 3mm 316L cladding overlayed with 3mm of Inconel 625, I use automated GMAW. The question has now surfaced, how does one qualify it:
1) On SA 516...
I would like to find acceptance criteria for a ASME VIII vessel that has been overlaid with corrosion resistant material. We are debating the acceptance criteria on disbonding, any ideas?
