A vessel assembly 1 wherein said retaining ring has {HEAD ~ a tensile strength} of {TAIL ~ at least about 500 MPa} 
of
A vessel assembly 1 wherein said retaining ring has { HEAD ~ a tensile strength } of { TAIL ~ at least about 500 MPa }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL