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Andrew Barrett
Andrew Barrett
12:36 Sep-02-2014
PCN Ultrasonics question

HiI currently hold a PCN qualification in Ultrasonics (3.1,3.2,3.7) and have been asked to verify whether this qualifies me to inspect Austenetic and NON Austenetic materials such as Duplex and Super Duplex. Any information on this subject would be much appreciated.

 
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Nigel Armstrong
Engineering, - Specialist services
United Kingdom, Joined Oct 2000, 1096

Nigel Armstrong

Engineering, - Specialist services
United Kingdom,
Joined Oct 2000
1096
12:47 Sep-02-2014
Re: PCN Ultrasonics question
In Reply to Andrew Barrett at 12:36 Sep-02-2014 (Opening).

Hi Andrew

You write you "have been asked to verify". Well by the fact that you are posting here (and other reasons) your answer must be, "Sorry, no I cant"

That's one for the end-user of your skills to decide. You have demonstrated your capability to examine those configurations in low carbon steel. Are these skills in all cases transferable to the range of materials you wrote. I am not aware of any specific national (ISO 9712) certification for these materials, so again its up to the end user to review your CV and to decide their actions.

Possibly there is an equivalent qualification for these materials, but I do not know of it.

 
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vijayaraghavan.P
Consultant,
Freelance consultant, India, Joined Dec 2009, 12

vijayaraghavan.P

Consultant,
Freelance consultant,
India,
Joined Dec 2009
12
10:17 Sep-25-2014
Re: PCN Ultrasonics question
In Reply to Andrew Barrett at 12:36 Sep-02-2014 (Opening).

Personnel holding level2/level3 qualification in Ultrasonics are generally required to undergo refresher courses in advanced UT like Phased array, Guided waves etc.
UT of metals or non metals is based on the principle of sound attenuation in the material. when you are working on Austenetic and NON Austenetic materials such as Duplex and Super Duplex, because of coarse grains testing poses a problem, however the possible solution is selection of test frequency and special filtering in the electronics to improve signal to noise ratio. No special qualification is required however one should be aware of the above problem & solution

 
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Jon Wallis
NDT Inspector, -
Netherlands, Joined Feb 2010, 626

Jon Wallis

NDT Inspector, -
Netherlands,
Joined Feb 2010
626
07:10 Sep-26-2014
Re: PCN Ultrasonics question
In Reply to vijayaraghavan.P at 10:17 Sep-25-2014 .

I have never, as a level 3 for the past 20 years, "undergone refresher courses in phased array or guided waves etc."
Larger companies tend to carry out internal training for the examination of austinitic materials, especially when longitudinal angle probes are needed.

 
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