| abstract |
High strength alloys are described. At least one composition of the alloy includes chromium, nickel, copper, manganese, silicon, niobium, tungsten and iron. The heater system may include a canister made at least in part from a material comprising at least one metal alloy. The system for heating the underground strata can include a tube that is at least partially made of a material containing at least one metal alloy.n n n n Yield strength, nanonitride precipitate, annealing temperature, cold working, hot working, aging treatment, heater system, canister, heat generating element, heating medium system, nuclear reactor, electric power heating element |