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Technical Discussions
Edward Fisher
NDT Inspector
Canada, Joined Oct 2002, 5

Edward Fisher

NDT Inspector
Canada,
Joined Oct 2002
5
02:25 Nov-02-2002
co2 Pitting 13 Chrome

I am trying to find out if anyone has had much experience with find CO2 pitting on 13 chrome material in full lengths of pipe and the method used to detect that pitting. I have about 16000 feet of pipe to look at with minor pitting .017" to .060" and I am having trouble with my signal to noise ratio just wondering if anyone out there knows or can help with this situation?


    
 
 
Richard D. Roberts
Engineering, Executive Managment
Quest Integrity Group, USA, Joined Nov 1998, 78

Richard D. Roberts

Engineering, Executive Managment
Quest Integrity Group,
USA,
Joined Nov 1998
78
00:13 Nov-04-2002
Re: co2 Pitting 13 Chrome
Ed,

Have you considered using LASER NDT to inspect the piping? The Laser-Optic Tube Inspection (LOTIS) process can reliably detect and quantify pitting with depths as shallow as +/-0.002" and pit diameters as small as 0.005". Currently there are laser probes built which can inspect piping up to 5.4" ID. Not sure what size your piping is?

For more information you might want to take a look at our web-site which can be found at http://www.qi2.com/field/fsddef.htm

If you have any further questions please contact me at the numbers listed below.

Regards,

Richard D. Roberts
V.P. Field Services
QUEST Integrated, Inc.
1012 Central Avenue South
Kent, Washington 98032 USA

Direct Tel: 1-253 872-9500 ext. 1275
Toll Free Tel: 1-800 233-3345 ext. 1275
Cell: 1-206 571-4302
Fax: 1-253-872-8967
Email: richardr@qi2.com
Web Site: http://www.qi2.com/field/fsddef.htm

-------------- ORIGIONAL MESSAGE ----------------
: I am trying to find out if anyone has had much experiencewith find CO2 pitting on 13 chrome material in full lengths of pipe and the method used to detect that pitting. I have about 16000 feet of pipe to look at with minor pitting .017" to .060" and I am having trouble with my signal to noise ratio just wondering if anyone out there knows or can help with this situation?



    
 
 

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