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Dear Mr. TGS4 and Mr. DSB123, thank you very much for the attention to my question and the time spent for me. Dear Mr. TGS4, I shall probably follow your advice if I can’t find any convincing explanations of that requirement. As I can see you are a versatile specialist in many fields of...

Mr DSB123, if I used the highest stress ratio the parts with lower ratio would not be overstressed because they are stronger than the others. As I have understood it seems wrong to admit that stronger materials have lower stress ratio (stronger here = less affected by the temperature influence...

Mr. TGS4, thank you for the reply. To my regret, I don`t know English well enough to exclude the idea that you are making fun of me. I am simply looking for the reason of the Code such a requirement.

I thank all the colleges who replied to my question concerned the lowest stress ratio for calculation of the test pressure value (fizza453, mk3223, prex). But to my mind, the HIGHEST ratio should be used. I think, the material which has the lowest stresses ratio is affected by the temperature...

Dear Sirs! Please, be so kind to give me an advice on the question: where can I find an explanation of the item UG-99(b) of the BPVC Sec. VIII Div. 1 requirement to use the LOWEST stress ratio for calculation of the hydrostatic test pressure value? Why not the HIGHEST ratio? Please, don`t be...