I don’t know if you’ll get 2 1/2 times the life, but, definitely longer than a diamond from. My mtb gets 2 chains a year because it takes abuse all year long on Cape Cod. My Ti Aero gets one every 2-3 years because I only ride it in nice weather above 60 degrees.
Surly Moonlander fat bike
Santa Cruz Tallboy carbon 29er
Bassyak (for stripers and blues)