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Re: [MW:30775] Thermowell Material , Metal Dusting, downstream of Hydrogen reformer

By Materials & Welding
Subject changed, pl reply only to this thread

On Wednesday, April 15, 2020 at 10:50:12 AM UTC+5:30, ATUL KHATRI wrote:
Hi Hernan,
Could you please give some more details ?
What is the temperature of your reformed gas ?
Are you sure it's because of metal dusting ?
What does your licencor says ?


Hope I can help you after your replies . 

Br,
Atul 


On Wed, Apr 15, 2020 at 9:19 AM Hernan Arturo Castillo Mier <Hernan.Castillo@ecopetrol.com.co> wrote:

We have metal dusting corrosion in two thermowells, downstream of Hydrogen reformer.

Any have experience about this problem?

Thermowells are Incolloy 800HT.  This is not the best metallurgy for this corrosion problem.

According to NACE, the better metallurgy is Alloy 699 XA.

We are looking for any factory that  produce thermowells using that metallurgy.

 

Thanks,

 

 

Hernán Castillo Mier

Senior Engineer

Reliability and integrity of Static equipments.

API 510 (33119)

Ecopetrol   Cartagena Refinery

 

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