Inconel 725 (UNS N07725) is a precipitation‑hardening nickel‑chromium‑molybdenum‑niobium alloy with exceptional corrosion resistance and high strength. It offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in sour gas, chloride, and seawater environments. It provides excellent mechanical properties, good weldability, and fabricability. With stable performance in harsh corrosive and high‑pressure conditions, it is widely used in critical applications requiring both superior corrosion resistance and high structural strength.