In the present embodiment 17 4PH stainless steel which was heat treated to H900 condition was utilized, although other materials of {TAIL ~ similar strength} and {HEAD ~ corrosion resistance} may be utilized, as would be known to those skilled in the art 
In the present embodiment 17 4PH stainless steel which was heat treated to H900 condition was utilized , although other materials of { TAIL ~ similar strength } and { HEAD ~ corrosion resistance } may be utilized , as would be known to those skilled in the art
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH