Thermostatic bimetal 5J15120 is a high-sensitivity thermal bimetal material specially designed for temperature control and thermal protection applications. By combining alloy layers with different thermal expansion coefficients, 5J15120 exhibits significant mechanical bending when temperature changes, which is suitable for use in electronic equipment and industrial applications that require temperature-sensitive components.
thermostatic bimetal 5J15120
chemical composition
5 J15120 consists of the following two layers:
-high expansion layer (usually Mn75Ni20Cu5)
-Manganese (Mn):75%
-Nickel (Ni):20%
-Copper (Cu):5%
-low expansion layer (Ni36)
-Nickel (Ni): about 36%
-Iron (Fe): balance
physical properties
-density: about 8.8 g/cm & sup3;
-Coefficient of thermal expansion:
-high-expansion layer: 18 x 10 +/°C
-low expansion layer: 4.3 x 10 +/°C
electrical properties
-resistivity: about 107 μΩ · cm (at 20±5 ℃)
-conductivity: about 1.87 x 10 +S/m
mechanical properties
-Modulus of elasticity: approx. 114 GPa
-Tensile strength: generally 470-620 MPa
Application areas
-Thermal Switches: Used as temperature control components in home appliances, automobiles and industrial equipment.
-temperature compensator: used in precision electronic equipment and temperature compensation components.
-Overheat protector: used for overheat protection of motors, transformers and other sensitive electrical equipment.
Supply Specifications
-strip thickness: 0.1 mm-2.0mm
-strip width: 5mm - 80mm
