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- since 1996 -

Hi-Spec Systems
we are specialised in the design, development and manufacture of Phased Array and Time-of-Flight Diffraction (ToFD) ultrasonic inspection systems.
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Technical Discussions
Toni Smith
Toni Smith
04:10 Feb-11-2010
Prove-up inspection on coated pipe.

A welded SAW pipe with OD/ID coated pipe what would be my distance and v path 1st, 2nd, & 3rd leg in mm? I'm thinking the OD coating is about 18 mm and ID is like paint brush thin.
Epoch unit - 1/2 inch prob 3.5 Mhz. transducer - set up only on a 1/16'' drill hole on.

 
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Ryan Burns
Ryan Burns
08:03 Feb-11-2010
Re: Prove-up inspection on coated pipe.
In Reply to Toni Smith at 04:10 Feb-11-2010 (Opening).

I would hope there are errors in your initial post. First off, I highly doubt you have almost 3/4" of external coating to contend with. Secondly, code compliant shear wave through any discernible volume of coating (or paint) is not an acceptable inspection technique in my experience. Finally....maybe we'd need refracted angle and nominal WT to complete skip distance equations?? If you are the technician why can't you do the math?

 
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Toni Smith
Toni Smith
09:24 Feb-11-2010
Re: Prove-up inspection on coated pipe.
In Reply to Ryan Burns at 08:03 Feb-11-2010 .

What ever I'll do the math. I needed the info because I have been busy doing other things that are important too, thought that u could helped out real quick.

 
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