What's the design and construction of your piping:-
- Nickel strip lined
- Or intrgrally clad with Nickel (i.e fabricated from Ni-Clad Plates)
- or integrally overlayed with Nickel electrodes.
Could you be a little more specific on providing more details on design, construction codes, and others.
Thanks
Pradip Goswami,P.Eng.
Welding & Metallurgical Engineer/Specialist
Ontario Power Generation Inc.
Email-pgoswami@sympatico.ca,
> Subject: [MW:5601] Inspection of Nickle Lined Piping and Fittings
> From: skyv@indiatimes.com
> To: materials-welding@googlegroups.com
>
> Dear Group Mates,
>
> We have some Nickle Lined Piping and Flanges in a petrochemical
> Plant.
>
> Service : Polymer @ 300 Deg c & @ 200 kg/cm.2 pressure.
>
> What is the best method to establish the integrity of Ni lining after
> 15 years of service period?
>
>
> Thanks........!
>
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2 comments:
Nickel Linining has been done using elctrodes followed by finish machining.
No code is known as the material in service since 15 years... old records not available.
It is integrally overlayed with Nickel electrodes.
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