Stainless steel tube armored temperature-sensitive optical cable (SCXTG3Y) is a stainless steel seamless steel pipe with built-in temperature-sensitive optical fiber, the seamless steel pipe is filled with a special fiber paste buffer layer, which forms a good protection for the optical fiber, and can resist water longitudinally, the outer layer is stranded with steel wire, and the outer sheath of temperature-resistant material is composed of high tensile strength, crush resistance, lateral waterproof, chemical and wear resistance and excellent gnawing protection