Re: [MW:31420] Radiography (RT-3)

ASME BPVC Section VIII Div. 1 requirements do not apply to tanks. Tanks are covered by API codes (650, 620).

In case you have a pressure vessel and RT 3 is required you have to perform spot radiography in all Category A & D butt welds (see fig. UW-3) of type 1 & 2 (see UW-12).

Then you have to perform also spot RT in Category B and C butt welds when they intersect Category A welds.

For more details, you have to read UW-11

Στις Δευ, 7 Σεπ 2020 στις 1:30 μ.μ., ο/η Ghulam Mustafa <gmt.lah@gmail.com> έγραψε:

Dear All,

Hope all member will be fine,

I have a many question about RT,

1. What we can use RT level on Tank?

2. Reference of RT level in ASME Section VIII Div-I ? or any other reference standard (API/ASME) except Section V. 

3. If tank design by API Standard, can we use ASME VIII Div-I reference for RT?

4. If weld length of but weld joint is 32 mtr, as per RT-3, how much 6" film are required as per code.  

Please guide me in short and proper words that we can under stand.

Best Regards

Regards,

GMT

Save life| Don't destroy nature | Help save paper

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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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