Inspection of Piping with Nickel Overlay

[ak1965]

What is the best NDT / Inspection technique available for inspection of a 14" Carbon piping with Nickel Overlay. This piping is the outlet pipe of reactor in a polyethylene plan. Carrying Polymer at 170 Kg/ Cm.2 Pressure & 300 Deg. C.

 

[rustbuster]

Not enough information, what is the Nickel overlay?, thickness, base material and thickness, what are you trying to assess, etc.

Maybe then we can help...

 

[gr2vessels]

The ASME II SA 265 refers to the Nickel cladded Carbon Steel material requirements, inspection and testing (new material). What is the scope of your NDT/Inspection of those pipes? Detection of defects in cladding?
cheers,
gr2vessels

 

[ak1965]

Dear Rustbuster,

Thanks !! plz find below moreinformation about the piping.

The Pipe is : 14" Sch. 160 (35.37 mm thk.).
Pipe Material : C.S. with Nickel Overlay on ID.
Corrosion Allowance : 1.6 mm for C.Steel
Service Fluid : Hydrocarbon
Service temperature : 310 Deg. C
Service Pressure : 150 Kg/ Cm.2
Service Rendered : 14 years

Nickel overlay has been provided to resist erosion due to stringent service conditions.

My concern : How to inspect the Pipe & the condition of Nickel overlay after 14 long years of service.

Hope above should give a better idea about the piping.



MY concern

 

[MJCronin]

ak...

Suggest that you post in a more inspection oriented Forum

Here is one:

http://www.inspectioneering.com/forum.htm

and another:

http://www.hghouston.com

Please be professional and share your findings....return to this thread and share your final decision with us:

Regards

-MJC