Wednesday, March 21, 2018

Re: [MW:27537] TOFD in lieu of RT

the joint efficiency does not change. It is the same as in the case of RT.
As per UW-51(a)(4) RT can be replaced by UT under the condition that the thickness is equal or larger than 6mm

2018-03-21 15:50 GMT+02:00 Makrand Sakpal <makrands9@gmail.com>:
Dears,

Our prospective vendor is offering TOFD for category A & B weld joints instead of RT for a process column due to RT room size limitations. Is it acceptable by ASME SEC VII DIV-1? What will be the joint efficiency in this case to be used in calculations?

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Dr. Georgios Dilintas,
Dipl. Ing. In Aeronautic and Space Engineering
Ph.D in Mechanics of Solids - Computational Mechanics
A.I.S, A.N.I, IRCA Lead Auditor
Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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