Nickel L605 (Alloy 25) is a non-magnetic cobalt alloy. It is the strongest of the formable cobalt alloys. Harness is typically BHN 250 with a BHN 275 max.
This is material is more difficult to machine than Grades 302, 304, 321 and 347 Stainless Steel.
Specifications:
UNS R30605, Haynes 25, AMS 5759, ASTM F90, GE B50T26A, AMS 5537, AMS 5759
Applications:
Turbine engine combustion chambers and afterburners. High temperature ball bearing and bearing races. Springs, Heart Valves (Medical). Jet engine parts, turbine blades, turbine rings.