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STEAM DRUM HEAD tsr calculation.

STEAM DRUM HEAD tsr calculation.

STEAM DRUM HEAD tsr calculation.

(OP)
I am working in a steam drum which is basically under ASME code Section I, we are using a program in Japan wherein the formula used in calculating the drum head is in ASME code section VIII, they been using this long time already even in ASME Stamp required project. But here in our country, we will going to experience it first time. Since we already ordered the materials for drum head. We made comparison to ASME Code I and ASME Code VIII, the result is tsr for Section VIII is smaller compared to Section I, now what chances that I can justify the usage of Section VIII to our AI? Thats my question?

I hope everything is clear.

RE: STEAM DRUM HEAD tsr calculation.

If you are an asme stamp holder, you must have the the code section on hand and calculate the drum per sec.I,
If materials were used thinner than required, you only have the option of lowering the desing pressure of the drum.
you are not allowed to use sect. VIII for your calculations on sect. I items. no nat'l board Inspector will accept that and if you are trying to go around and convince him/her, it is not right even if the AI can go for it and does not notice for any reason. you the stamp holder are responsible for the design of the code item.
Your thinner drum will just blow-up.
sorry.
ER
































    

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