PMET 994 – B50TF55 – PWA 694 – CM64 welding wire for gas turbine engine blades.
PMET 994 (PWA 694) is a solid cobalt hardfacing wire. PMET 994 provided high strength and stability at temperatures up to 2100° F. Deposits of PMET 994 have outstanding resistance to wear, erosion, creep, thermal fatigue, and oxidation.
Specifications
PWA 694
B50TF55
MSR 9500/226
DMR 34.070
Typical Deposit Characteristics
Abrasion Resistance – Good
Corrosion Resistance – Good
Erosion Resistance – Good
Impact Resistance – Fair-poor
Hardness – 47-54 HRC