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where expertise comes together
- since 1996 -

Hillger Ing. Büro
was founded in 1984 and develops special ultrasonic imaging systems for high-tech materials.
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Technical Discussions
Derek
Derek
07:16 Nov-05-2004
Surface Probe Eddy Current Inspection of Tubing

Has anyone here ever used a surface eddy current probe to examine stainless steel tubing? Specifically small diamter tubing (<= 1/8"). If anyone has any insight or links to information related to this they could offer I would appreciate it. Please send an email to: ddlucero@lanl.gov.


    
 
 Reply 
 
dirk wagner
NDT Inspector
ec-works, Germany, Joined Dec 2004, 2

dirk wagner

NDT Inspector
ec-works,
Germany,
Joined Dec 2004
2
01:29 Dec-09-2004
Re: Surface Probe Eddy Current Inspection of Tubing
----------- Start Original Message -----------
: Has anyone here ever used a surface eddy current probe to examine stainless steel tubing? Specifically small diamter tubing (<= 1/8"). If anyone has any insight or links to information related to this they could offer I would appreciate it. Please send an email to: ddlucero@lanl.gov.
------------ End Original Message ------------

Hi,
i did testing of stainless steel in german nuclear power plants. We were searching (successfully) for inside defects with eddy-current probes from the boundary of the tube.
More relevant than the diameter is the wall-thickness.
I hope, I can help you


    
 
 Reply 
 
S.V.Swamy
Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex , India, Joined Feb 2001, 787

S.V.Swamy

Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex ,
India,
Joined Feb 2001
787
04:21 Dec-12-2004
Re: Surface Probe Eddy Current Inspection of Tubing
----------- Start Original Message -----------
: : Has anyone here ever used a surface eddy current probe to examine stainless steel tubing? Specifically small diamter tubing (<= 1/8"). If anyone has any insight or links to information related to this they could offer I would appreciate it. Please send an email to: ddlucero@lanl.gov.
: Hi,
: i did testing of stainless steel in german nuclear power plants. We were searching (successfully) for inside defects with eddy-current probes from the boundary of the tube.
: More relevant than the diameter is the wall-thickness.
: I hope, I can help you
------------ End Original Message ------------
Hi,

SS tubes (austenitic) are normally tested during manufacture using an encircling coil from OD and during in-service inspection using an ID Bobbin coil. I would like to know the type of defects that you are trying to detect with the surface probe.

Swamy


    
 
 Reply 
 

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