Radiography (RT-3)

[Ghulam Mustafa]

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

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[Andrew Ubakwem]

Dear Ghulum,

I seems not to understand your query because either your English composition is confusing me the more or I do not get basis for your questions.

Question#4: weld length 32mtr? 

Please clarify.

Regards,

Andrew.

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[james gerald]

Specify your Design code as RT-3 is applicable only for Pressure vessels fabricated of ASME Sec VIII 

Thanks & Regards

J.Gerald Jayakumar

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[Ghulam Mustafa]

Dear all,

hope all members are fine, 

Our company is fabricating a Mud Tank. the client requirement that RT-3 will be performed. I want only one question: how much RT film is used in this tank if the total weld length is 32 meter and its RT reference code for satisfying the client.

this tank as per API standard.

and reference will be API.

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[guru vasanth]

Gulam

First you read the design code .and it will give RT requirement and acceptance reference code details .

Regards 

Guru S

செவ்., 8 செப்., 2020, முற்பகல் 10:11 அன்று Ghulam Mustafa <gmt...@gmail.com> எழுதியது:

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Thanks and regards Guru.s.m

[George Dilintas]

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

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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