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- since 1996 -

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Technical Discussions
vicente domingo encina
NDT Inspector
Bureau Veritas Chile, Chile, Joined Apr 2008, 1

vicente domingo encina

NDT Inspector
Bureau Veritas Chile,
Chile,
Joined Apr 2008
1
01:06 Apr-07-2008
Ultrasonic test in HDPE

Hi colleagues of NDT, please, i need information, about ultrasonis test in HDPE"s piping, since some years behind use the ASTM F 600 that already is not used: I have my doubts with regard to the use of the UT with the equipments and conventional transducer used for carbon steel.
Thanks


    
 
 
Rolf Diederichs
Director,
NDT.net, Germany, Joined Nov 1998, 604

Rolf Diederichs

Director,
NDT.net,
Germany,
Joined Nov 1998
604
02:46 Apr-10-2008
Re: Ultrasonic test in HDPE
In NDT.net you find some articles of this topic:

Insight 2007-02
Ultrasonic phased array inspection of electrofusion joints in polyethylene pipes
D. Caravaca, C. Bird, D. Kleiner
TWI Ltd, Cambridge [United Kingdom]
http://www.ndt.net/article/insight/papers/insi.49.2.83.pdf

ECNDT 2006-09
THE ULTRASONIC PHASED ARRAY INSPECTION OF ELECTROFUSION JOINTS IN POLYETHYLENE PIPES
C. Bird, D. Caravaca, D. Kleiner
TWI Ltd, Cambridge [United Kingdom]
http://www.ndt.net/article/ecndt2006/doc/Mo.2.6.2.pdf

NDT.net 1996-04
UT and X-Ray NDT of Butt Fusion Welds in PE Pipe, Overview
G. Georgiou, I. Munns
TWI Ltd, Cambridge [United Kingdom]
http://www.ndt.net/article/twi/twi.htm

----------- Start Original Message -----------
: Hi colleagues of NDT, please, i need information, about ultrasonis test in HDPE"s piping, since some years behind use the ASTM F 600 that already is not used: I have my doubts with regard to the use of the UT with the equipments and conventional transducer used for carbon steel.
: Thanks
------------ End Original Message ------------




    
 
 
A.Ahmadi
A.Ahmadi
14:52 Jun-22-2011
Re: Ultrasonic test in HDPE
In Reply to Rolf Diederichs at 02:46 Apr-10-2008 .

Dear sir,
my company need buy 1 unit for test hdpe electro fusion fittings 25-160mm

best regards

    
 
 
coolguy
coolguy
15:29 Jun-22-2011
Re: Ultrasonic test in HDPE
In Reply to A.Ahmadi at 14:52 Jun-22-2011 .

Hello Buddy,

You may contact Olympus NDT as they have already conducted some R7D of these tests.

Please find the link below

http://www.olympus-ims.com/en/applications/ultrasonic-tofd-butt-fusion/

You can contact carl.mercier@olympusndt.com

    
 
 
Christoph Schnitger
Christoph Schnitger
19:22 Jun-22-2011
Re: Ultrasonic test in HDPE
In Reply to A.Ahmadi at 14:52 Jun-22-2011 .

Dear Sirs,

since 2004 we are offering this kind of UT equipment here on the german market. We used a special kind of phased array system; - it is also a question to have the right probe !

We have this system on stock for different HDPE piping, different wall thicknesses and also
adapters for different fitting styles.

    
 
 
Raul Leon
Raul Leon
01:59 Nov-02-2011
Re: Ultrasonic test in HDPE
In Reply to vicente domingo encina at 01:06 Apr-07-2008 (Opening).

We have been using TOFD and Phased Array techniques to test joints in HDPE since 2004 in the mining and petrochemical markets. We had, so far, no failures on joints inspected with this methodology and using acceptance and reject criteria developed by large engineering corporations which we have worked in the past. These techniques are getting better with time, and we believe that the codes will include some of these techniques in the future.

    
 
 
Meh Iskandar
Meh Iskandar
20:50 Nov-06-2011
Re: Ultrasonic test in HDPE
In Reply to vicente domingo encina at 01:06 Apr-07-2008 (Opening).

Hi Encina,

There is a company named "KNDT" that offers some products for your work. It has the worth to see this too.
http://www.kndt.co.kr/us/aim33.htm

It seems that the lack of worldwide accepted code is the main problem in using PA UT in the application of HDPE's inspection.

Good luck

    
 
 

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