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kingnero wps is qualified according to asme sec-IX and i am working on storage tanks API 653. i am not getting any reference in this regard. actually i have have already a wps qualified for 2" but i have a 1/2" pipe to weld so my question is shall i use the same wps for 1/2" pipe or i need a new...

Gents, take more beers but please reply to my question.

Hello all, dears i want to know if i have a wps qualified on 2" shall i used this wps on 1/2" pipe? if yes/no please give the reference/clause of codes.

Dear Experts, we are constructing a self supported cone roof tanks,there by mistakes we are getting 32mm buckling(inside) so i want to know what is the waiveness allowed for the shell according to api650 as banding allowed 13mm.if anyone have idea how to fix this buckling please give us your...

thanks guys for powerfull and supportive reply

yes its short on circumference not height.

thank you very much mr veji but shall we use this one during constructing the tank as api653 is for repair work.

thanks for your response,now it is very difficult to realigned the lower shell plate so please if its possible can you give me the clause no.for api653 where it is mention for replacement of shell plate.

i want to know what is the smallest size of a shell plate we can use in storage tanks as per api650,we are constructing 96m dia tank in 6th shell course 200mm shortage(gap)coming in circumference so is there any solution for this one according to api. thanks in advance