[MW:2893] Re: THICKNESS GAUGING OF CLADDED/OVERLAID VESSELS/PIPING

Dear,

 

        If you want exact measurement, it is better to produce similar calibration block of same material and as cladded to calibrate your D-Meter. But, as cladding use to be less thick you may not find much difference while velocity is concern in thickness measurement. (note the cladding fussion zone problems)

Sharief

On Tue, Jul 14, 2009 at 11:04 AM, <fmajdnia@technip.com> wrote:

Dears,
I seak advise on how to calibrate the normal Ultrasonic Thickness metering
device to measure the thickness of C.S. Vessels and piping with clad or
overlay while they are in service (on stream inspection). The required
accuracy of reading is 1 mm Max.

Thanks








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