BOILER TUBE COATINGS
11-10-2007, 03:01 PM, (This post was last modified: 11-13-2007, 04:10 AM by Gordon.)
#1
BOILER TUBE COATINGS
Dear All
is there any details available on Boiler Tube coatings where in fuel used is Naptha Gas.
Regards
Vijay Deshpande
Reply
11-13-2007, 04:09 AM,
#2
RE: BILER TUBE COATINGS
Hi Vijaydeshin

There are a number of threads on boiler tube coatings on this forum and the old message board, that may be worth searching out if you have not already done so.
Reply
02-10-2008, 04:11 PM,
#3
RE: BOILER TUBE COATINGS
I have same question about coating of the boiler tubes,isnt it more useful
to use welding methods instead of HVOF,coating spalled off during boiler
operation ,the bond is mechanical but if we use welding insted we have
methallurgical bond (becausee of fusion)anf=d the strenghth of the tube
will enhance.I would be gratful if you give your opinion about selecting
the protective layerfor the case bellow:
A company produces equipment for a boiler that should withstand corrosion
at 600 C. They want to put a 1,5 mm thick fully dense layer of an
austenitic stainless steel on a 4 m2 surface of an ordinary steel. What
coating method do you suggest and why?
Reply
02-15-2008, 08:42 PM,
#4
RE: BOILER TUBE COATINGS
Just idea exchange with you, I think if you use welding, it will take really long time, and power plant will headache on how to remove the welding layer in the future for next treatment. a combanation processes by using HVOF, arc, welding (or spraying and fusing) and even PTA might be considered for different parts of the boilers see situation of corrosion and erossion...
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