Could you provide me the thickness which you are forming? What type of
the dish head. and what is the process?
If thckness is more calculate the fiber elongation and accordignly
intermediate heat treatment is required.
Regards
Israr Ahmed
Tata Projects Ltd.
India
On Oct 16, 5:09 pm, Navid Navidi <navid_751...@yahoo.com> wrote:
> Hello All,
> We are going to form a head for a presser vessel. Its diameter is about 3000mm.
> And it is made of A516Grade70. Unfortunately, while forming we have cracks on
> the material which cause rejection of the head.
> How can we form a crack-free head? Do we have to do the forming in several
> steps? Do we need heat treatment between forming steps?
> Thank you,
> Saied
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