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Re: [MW:9989] Elongation Percentage for Dish End / Calculation

By Materials & Welding
Dear Vino

Pls. refer UCS 79 & UG 79 of sec VIII div 1 for fiber elongation

What is the material and what is the dimensions, type of head .....


cheers
MM

On Wed, Feb 23, 2011 at 1:55 PM, Vino Varghese <vinopvarghese@gmail.com> wrote:
Dear Friends/Advisers,
 
Design: ASME Sec VIII, Div 1.
Material & Thickness: SA 516 Gr.70 & 30 mm.
 
1. Please provide a method to calculate Elongation % after Forming(Hot/Cold) for Pressure Vessel Dish End.(Ellipsidol 2:1)
2. What should be the thickness selection to achieve 30 mm final thickness?
3. How to ensure that Materials Fibre Elongation is less that 5%? This is required to avoid SSC Test with regard to NACE requirement.
 
Hope to see as usual co-operation.
 
Regards
Vino P Varghese
Doha-Qatar

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