pressing bisalloy400 into a disc

[mallee]

hi everybody,
now i'm wondering what size hydraulic press i would need to bend bisalloy400 plate (think near AR400), tensile strength-1320Mpa into a disc. the disc would be 350mm in diameter with about 20mm deviation from flat at the outer edges.

If any info missing i'll happly add

cheers for any info in this regard

[underthetire]

You want to stamp or press? Almost sounds like your needing a hydroform. Big huge money. All depends on how thick though.

[mallee]

oh yes, thickness would be a handy thing to know, sorry about that. it's 6mm thick.
i would presume it would be just pressing since i would be just bending the outer half with hydraulic press.

[underthetire]

Ya, your not going to get there with any kind of shop press. Probably ~500 ton.


Hydroform
http://www.youtube.com/watch?v=UiPWkTr3Bi4]15-15-9 CINCINNATI HYDROFORM(1/2) - YouTube