Thermostatic bimetal 5J14140 is a thermal bimetal material specially used for temperature control and compensation applications. The material exhibits remarkable mechanical bending characteristics upon temperature change by combining alloy layers of different thermal expansion coefficients. 5J14140 has high stability and sensitive temperature response, suitable for use in precision temperature control equipment and various electrical appliances.
thermostatic bimetal 5J14140
chemical composition
5 J14140 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 8.7 g/cm & sup3;
-Coefficient of thermal expansion:
-high-expansion layer: 19 x 10 +/°C
-low-expansion layer: 4.2 x 10 +/°C
electrical properties
-resistivity: about 108 μΩ · cm (at 20±5 ℃)
-conductivity: about 1.85 x 10 + S/m
mechanical properties
-Modulus of elasticity: approx. 112 GPa
-tensile strength: generally 460-610 MPa
Application areas
-Thermostat: Widely used in household appliances and industrial control equipment to achieve precise temperature control.
-Thermal protector: used for overheat protection of electrical equipment such as motors and transformers.
-Thermistor: Serves as a core temperature sensitive component in temperature sensors and circuit protection devices.
Supply Specifications
-strip thickness: 0.1 mm-2.5mm
-strip width: 5mm - 100mm
