Factory wholesale Steel Ball - High Quality Dished Head – Mingchang

Dished head refers to the head composed of a spherical shell, a circular edge and a fine edge (cylinder short treatment).Due to the sudden change in the radius of curvature of the spherical shell and the flange, the flange and the straight edge of the connection, the edge stress is much larger than the film stress caused by the ash, the mechanical properties of the spherical and elliptical head on the disc head because of the shallow, the stamping equipment and die requirements are low, so it is more convenient to manufacture.Rarely used in force vessels, only where pressure is low and the head depth is reduced or there is a lack of mould