There is not any formula for that, but as per code or standard, 10-15% overlap is required

Part-1 ll Spot Radiography testing as per ASME Sec VIII Div-1, UW-52 ll Selection of spot in spot RT ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-q72JDd3Ook8.html

DAC using notch block Part-2 ll How to draw DAC for piping weld UT? ll Distance amplitude correction ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YWHuDrZUSf0.html

I work in gas pipe line, the company Qc is asking me how to make a notch block

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Yes, i will make it in future

It depends. Actually in dry particle test and on smooth shiny surfaces, contrast not required sometimes

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ASTM A800

Already made second and third part. ASTM SA 388 ll standard practice for UT of steel forgings ll Part-2 Procedure & straight beam test ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-T_Wl0WAMf7Q.html

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May be editing issues, i will keep in mind next time

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Olympus (PAUT Basic)

Calculate Sound path

ASME BPVC code overview summery ll Section II, Section V, Section VIII and Section IX ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-sgNWd24RqfU.html

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I made this video in their stall visit. We don’t have that model

Sir Iske kiye kya karna hoga......?

I will upload

Thank you for watching You can watch next part, i have made total 4 parts untill now

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Please watch PAUT scan plan video, i have described it in detail. PAUT Scan plan ll How to make scan plan in phased array UT using NDT setup builder software? ll ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-FspUTJaO-jw.html

Article 4 is applicable for weld UT. For forging you can refer article 5 or ASTM 388. Please refer this video: ASTM SA 388 ll standard practice for UT of steel forgings ll Part-2 Procedure & straight beam test ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-T_Wl0WAMf7Q.html

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Not always, it depends on many factors

I am fine, Hope you are doing well. Thank you for watching

DAC using notch block Part-2 ll How to draw DAC for piping weld UT? ll Distance amplitude correction ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YWHuDrZUSf0.html

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