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- since 1996 -
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Technical Discussions
srinivasarao
ndt technician
iss, United Arab Emirates (UAE), Joined Dec 2007, 3

srinivasarao

ndt technician
iss,
United Arab Emirates (UAE),
Joined Dec 2007
3
01:54 Dec-25-2007
ut

in a casting steelmaterial, by using angle and normal probe what type of defects we will give


    
 
 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
02:41 Dec-25-2007
Re: ut
----------- Start Original Message -----------
: in a casting steelmaterial, by using angle and normal probe what type of defects we will give
------------ End Original Message ------------

Ulrasonic testing is ideally suited for detection of planar disconitinuities (like cracks) that are perpendicularly oriented to the beam direction. Also, the presence of porosity and piping etc. can also be detected. Presence of foreign material (slag etc. entrapped) may also be detected.

Your question is too general. There are specific codes and standards that deal with the most appropriate NDT methods and techniques for different castings. In addition to UT, you may also need to consider Radiographic Testing for some volumetric discontinuities.

Best wishes.

Swamy



    
 
 Reply 
 
Big D UT
Big D UT
00:48 Dec-28-2007
Re: ut
----------- Start Original Message -----------
: in a casting steelmaterial, by using angle and normal probe what type of defects we will give
------------ End Original Message ------------

What type of material is it? Carbon Steel or Austenitic Steel?


    
 
 Reply 
 
dinesh pal
dinesh pal
03:35 Jan-11-2008
Re: ut
hi friend,
I will suggest u to use angle beam probe. normally selection of probe is depend upon application&accuracy required. when u will use normal probe,may be the defect parallel to sound beam cann't detected this can be avoided by using angle beam probe.
dear in UT there is not any specific type of probe for specific material being tested. The probe remain same but its frequency will change so that it can enter in more dense material. the effect of change of material , u will find in graph of UT i.e. TOF
----------- Start Original Message -----------
: : in a casting steelmaterial, by using angle and normal probe what type of defects we will give
: What type of material is it? Carbon Steel or Austenitic Steel?
------------ End Original Message ------------




    
 
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