Dear sir,
Metal dusting is common problem in reformer external walls as temp above 475 deg.
If really want to know the updates of mettallurgy, do it mettallography to know effect.
Thanks & regards
Dinesh
On Wed, Apr 15, 2020, 06:49 Hernan Arturo Castillo Mier <Hernan.Castillo@ecopetrol.com.co> wrote:
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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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