... : Q235, A36, A516 Shape: eliptical shape, oval shaple, flat base Product name: dish end or pressure vessel headShapes of the head: spherical ... head, concial head, elliptical head, flat base head, dished head ... : 0086 412 8851567 skype: ms.helen_xiyida A516 /A36/Q235 dished end /pressure vessel head from Ms Helen