0.05C 16.7Ni-0.8Mo Low Alloy Steel

This is a precipitation-hardened nickel-based superalloy with modest carbon content, molybdenum strengthening, and significant titanium and aluminum additions designed for age-hardening response. The composition—dominated by nickel (16.7%) with titanium (2.24%), aluminum (0.167%), and molybdenum (0.847%)—places it in the family of materials engineered for elevated-temperature service where conventional steels lose strength. It is used in aerospace turbine engines, industrial gas turbines, and other high-temperature rotating machinery where a balance of strength retention at operating temperature, fatigue resistance, and relative manufacturability is required over more exotic superalloys.