17/4 is a precipitation hardenable stainless steel and can be supplied single melted (AMS 5643) or Vacuum Arc Remelted (AMS 5622). It is a medium to high strength material achieved through appropriate ageing treatments (see table below). 17 4PH Stainless Steel also has good corrosion resistant properties.
Motor Shafts
Aircraft Structural Parts
Valve Stems
Gears
AMS 5604
AMS 5622
AMS 5643
UNS S17400
W.Nr 1.4548