Method of protecting against corrosion at high temperature

Details Method of protecting against corrosion at high temperature Method of protecting against corrosion at high temperature

2003-06-25

2009-06-09

Bos, Steven (Department: 1793)

Metal fusion bonding

Process

Encasing a rodlike core within a substantially coextensive...

C228S126000, C228S127000, C228S131000, C228S182000, C228S183000, C228S184000, C228S189000, C285S055000, C285S288100, C285S288600

Reexamination Certificate

active

07543733

ABSTRACT:
The invention relates to a method of protecting equipment intended to operate at high temperature in the presence of a fluid containing at least one hydrocarbon and/or carbon monoxide against corrosion by metal dusting, method in which pieces of the equipment are made from an alloy containing nickel, iron, chromium and/or aluminum, and in which said pieces of the equipment are protected from said corrosion by a protective coating. This method is characterized in that said equipment pieces protected in this way are connected to each other by means of joining pieces, said joining pieces being protected beforehand by a protective coating over at least part of their surface intended to be brought into contact with said fluid at high temperature, and in that each of the connections intended to be subjected to said corrosion is produced by external welding of the ends of the joining piece with said pieces of equipment.

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