Corrosion Protection
by Sleeve Installation
chronicle companion images
COVER IMAGE
PHOTO #1
Original thickness tube in outlet pass (non-corrosion zone)
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PHOTO #2
Severely corroded tube ends with installed sleeve
NOTE: Corrosion around tube end
PHOTO #3
Installed sleeves (2001)
PHOTO #4
Pulled tube sample – Location at Sleeve/tube interface
Installed sleeve (2001)
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NOTE: Loose sleeve is due to cutting & sectioning tube sample
End of sleeve (roll) & parent material.
Wall loss 50%
PHOTO #5
Removed sleeve
NOTE: Corrosion protection achieved by sleeve
PHOTO #6
Corrosion noted at 5’ feet from Inlet tube end
Wall loss 60%
PHOTO #7
Parent tube material at 8’ feet from Inlet tube end
PHOTO #8
PHOTO #9
PHOTO #10
PHOTO #11
PHOTO #12
INSPECTION PHOTOS
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