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- since 1996 -


Technical Discussions
S S Ananthan
RAA Tech Solutions, India, Joined Jun 2000, 36

S S Ananthan

RAA Tech Solutions,
Joined Jun 2000
05:59 Jun-26-2000
Hydrogen embritllement study using UT

I am interested in knowing the techniques used in identfying the presence of Hydrogen embrittlement in hydrocracking vessels in oil refineries ( thickness about 100 mm. )

S S Ananthan

Steve Kane
Steve Kane
09:58 Jun-26-2000
Re: Hydrogen embritllement study using UT
The easiest method for you may be to utilize a manual Rockwell hardness tester. Compared to a known calibrator, you may establish RC hardness guidelines.

Jan Verkooijen
Sonovation, Netherlands, Joined Nov 1998, 29

Jan Verkooijen

Joined Nov 1998
01:13 Jun-27-2000
Re: Hydrogen embritllement study using UT
AEA Sonomatic BV has been working in this area for over
a decade now and has build up a vast reference in this
application. Procedures were validated with clients and
Authorised Inspection bodies such as Stoomwezen (1992)
and TueV Nord (1999). Procedures are based upon research
of established research institutes and our own research
and practical experiences.
An article describing this in some more detail can be found
on this site under:
a product descriptor can be found under
Please do not hesitate to contact me
if you require any more information.

Jan Verkooijen


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