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where expertise comes together
- since 1996 -

Materials Research Institute
Consulting to the NDT industry.

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Technical Discussions
fabio
Engineering,
SAIPEM SpA, Italy, Joined Dec 2002, 9

fabio

Engineering,
SAIPEM SpA,
Italy,
Joined Dec 2002
9
09:41 Mar-06-2003
Corrosion on carbon steel

Is there somebody can provide me, some information about NDE to evaluate the corrosion on carbon steel area in a Ti cladded carbon steel tube sheet of heat exchanger through his stainless steel tubes?

thank you in advance


    
 
 
Doug Breeze
Doug Breeze
00:52 Mar-06-2003
Re: Corrosion on carbon steel
The DINSEARCH DS100 is designed to detect and evaluate corrosion damage of carbon steel heat exchanger tubes. Normally, these tubes are entirely carbon steel and the equipment detects corrosion on both the inside and the outside of the tube. Dinsley Devices Ltd. have evaluated, and on rare occasions used, the equipment on carbon steel tubes that are lined with brass or bronze. While the equipment can need some adjustment that has to be made by the manufacturer, the DINSEARCH DS100 has successfully detected and evaluated corrosion damage both on the outside of the lined tubes and in the carbon steel at the interface between lining and carbon steel. There is good reason to believe that the equipment would also be successful on carbon steel tubes that have a Ti lining or some of the many types of stainless steel. We would be willing to assess performance on receipt of suitable samples.

Doug Breeze,
Inspection Software Ltd on behalf of
Dinsley Devices Ltd,UK.



    
 
 
Chris Coughlin
Chris Coughlin
05:16 Mar-06-2003
Re: Corrosion on carbon steel
Seems as though this would be a good application for magnetic flux leakage (MFL) inspection. If I remember correctly R/D Tech (http://www.rd-tech.com)makes a system that might be applicable.

: Is there somebody can provide me, some information about NDE to evaluate the corrosion on carbon steel area in a Ti cladded carbon steel tube sheet of heat exchanger through his stainless steel tubes?
.
: thank you in advance
.



    
 
 

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