Name TypeGradeWorking temperature (deg)ToleranceStandardLong TermShort TermNiCr-NiSiK1-40 1100-40 1300±1.5 degGB/T 2614-19982±2.5 degNiCr-CuNiE1-40 800-40 900±1.5 degGB/T 4993-19982±2.5 degFe-ConstantanJ1-40 600-40 800±1.5 degGB/T 4994-19982±2.5 degCu-CuNiT1-200 300-200 400±0.5 degGB/T 2903-19982 ±1 deg