Internal Welds in Cladded vessels

[ABHISHEK SINGH]

Dear Experts,

Is Decladding is required for internal welds on Cladded vessels??

[pgoswami]

Hi Abhisekh,

 

Welding of internals in a clad vessel is very much possible without major removal of clad. If the vessels is subjected to PWHT and clad restoration is done after PWHT fabricators would like avoid any further welding & PWHT  of the substrate material.

 

What’s is the clad metallurgy including Grade of BM involved?

 

Thanks.

 

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Engineering Specialist.

Ontario,Canada.

ca.linkedin.com/pub/pradip-goswami/5/985/299

pgos...@quickclic.net

pradip....@gmail.com

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[ABHISHEK SINGH]

Sir inconel 625 Clad on SA516 Gr.65

[George Dilintas]

Ι would not remove the cladding. I would position the internals, mark the areas where internals are touching the cladding, then I would groove the cladding around those marks, and I would weld the internals on the base metal and the cladding with Inco 625

2017-01-11 20:07 GMT+02:00 ABHISHEK SINGH <mech....@gmail.com>:

Sir inconel 625 Clad on SA516 Gr.65

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

[George Dilintas]

if you could send a sketch and info on base metal and clad material I could give you some ideas

2017-01-08 19:26 GMT+02:00 ABHISHEK SINGH <mech....@gmail.com>:

Dear Experts,

  Is Decladding is required for internal welds on Cladded vessels??

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[Prakash Hegde]

Hi!

The  query /question is not clear???

On Tuesday, 10 January 2017 11:42 AM, ABHISHEK SINGH <mech....@gmail.com> wrote:

Dear Experts,
   
  Is Decladding is required for internal welds on Cladded vessels??

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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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[srinivas rao]

Dear Abhishek,
Not require
provided appilicable WPS in place.

Regards,
Srinivas