8.1 g / cm3 Thermal bimetal material with Ni20Mn6 High expansion layer

ASTM TM29 Thermal bimetal strip

shop sign TM29

High expansion layer Ni20Mn6

middle layer ---------

Low expansion layer Ni36

Chemical composition

performance

Than bending K(20~135ºC) 15.0±5%

Temperature curvatureF/(greenhouse ~ 130 ºC) 28.5%±5%

resistivity(μΩ·m) 0.8±5%

Density (g/cm3) 8.1

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

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soft magnetic alloy

kovar alloy

8.1 g / cm3 Thermal bimetal material with Ni20Mn6 High expansion layer Images