Product Details:
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Than Bending: | 20.5 | Resistivity: | 1.12 |
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Density: | 7.7g/cm³ | Allows The Use Of Temperature: | -70~260 |
Linear Temperature: | -20~200 | Temperature Curvature: | 39.4 |
Modulus Of Elasticity: | 1.38 | Use: | Temperature Compensation Element |
Features: | High Resistivity | Name: | TB 208/110 |
High Light: | soft magnetic alloy,precision tubing |
TB 208/110 Thermostatic Bimetal strip
(Common Name: Truflex P675R, Chace 7500,Telcon200, Kanthal 200)
Bimetallic TB 208/110 holds very high thermal sensitivity and higher resistivity,but the modulus of elasticity and allowable stress is lower,it can improve the sensitivity of the instrument,decrease the size and increase the force.
Thermal bimetal strip is by the different expansion coefficient of two or more than two layers of metal or metal solid combination, and along the entire interface varies with temperature and the thermal function of shape changes in composite materials.One of high expansion coefficient become active layer, low expansion coefficient becomes passive.When requirements with high resistivity, but heat sensitive resistance performance is essentially the same type of thermal bimetal series, can be added between the two layers of different thickness of middle layer as a shunt layer, is to achieve the purpose of control different resistivity.
The basic characteristic of the thermal bimetal is changing with temperature and temperature deformation, resulting in a certain moment.Many devices use this feature to convert heat energy into mechanical work to achieve automatic control.Thermal bimetal used for control system and temperature sensor in the measuring instrument.
Composition
Grade | TB 208/110 |
High expansion layer | Mn75Ni15Cu10 |
Low expansion layer | Ni36 |
Chemical composition(%)
Grade | C | Si | Mn | P | S | Ni | Cr | Cu | Fe |
Ni36 | ≤0.05 | ≤0.3 | ≤0.6 | ≤0.02 | ≤0.02 | 35~37 | - | - | Bal. |
Grade | C | Si | Mn | P | S | Ni | Cr | Cu | Fe |
Mn75Ni15Cu10 | ≤0.05 | ≤0.5 | Bal. | ≤0.02 | ≤0.02 | 14~16 | - | 9~11 | ≤0.8 |
Typical Physical properties
Density (g/cm3) | 7.7 |
Electrical resistivity at 20ºC(ohm mm2/m) | 1.13 ±5% |
Thermal conductivity, λ/ W/(m*ºC) | 6 |
Elastic Modulus, E/ Gpa | 113~142 |
Bending K / 10-6 ºC-1(20~135ºC) | 20.8 |
Temperature bending rate F/(20~130ºC)10-6ºC-1 | 39.0%±5% |
Allowable temperature (ºC) | -70~ 200 |
Linear temperature (ºC) | -20~ 150 |
Shanghai Tankii Alloy Material Co., Ltd. specialized in production of thermocouple wire, thermocouple cable, thermocouple connector, and other thermocouple products.
Based on the principle of “first quality, sincere service”, our managing ideology is pursuing technology innovation and creating the top brand in the alloy field. We persist in Quality - the foundation of the survival. It is our forever ideology to serve you with full heart and soul. We committed to provide customers all over the world with high-quality, competitive products and perfect service.
Our products, such us nichrome wire, nichrome strip, fecral wire, fecral strip, thermocouple wire, nickel wire, nickel strip have been exported to Europe, USA, India, Southest Asia, South America,etc.
We are willing to establish strong and long-time partnership with our customers
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Contact Person: Mr. Martin Lee
Tel: +86 150 0000 2421
Fax: 86-21-56116916