5j20110 thermal bimetal strip resistivity 1.10

Model NO.: 5j20110


Material: Feni Alloy


Surface: Bright


Thickness: 0.1-2mm


MOQ: 20 Kg


Transport Package: Inner Core, Plastic Film, Wooden Case


Origin: China




Product Type: Strip


Carbon Content: Low Carbon


Condition: Soft


Width: 2-5mm


Trademark: TANKII 518


Specification: SGS, RoHs


HS Code: 750620000


A bimetallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper, or in some cases steel and brass. The strips are joined together throughout their length by riveting, brazing or welding. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature. The metal with the higher coefficient of thermal expansion is on the outer side of the curve when the strip is heated and on the inner side when cooled

The sideways displacement of the strip is much larger than the small lengthways expansion in either of the two metals. This effect is used in a range of mechanical and electrical devices. In some applications the bimetal strip is used in the flat form. In others, it is wrapped into a coil for compactness. The greater length of the coiled version gives improved sensitivity.

Grade	5J20110
High expansion layer	Mn75Ni15Cu10
Low expansion layer	Ni36

Description:

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

Physical properties

>Density (g/cm3): 7.7

> Allowable temperature (ºC): -70~ 200

Linear temperature (ºC): -20~ 150

>Electrical resistivity (μΩ*m): 1.13 ±5% (20ºC)

>Thermal conductivity ( W/m. ºC): 6

>Bending K / 10-6 ºC-1(20~135ºC): 20.8

> Elastic Modulus, E/GPa 113~142









Application: 5J20110 with high thermal sensitivity performance and higher resistivity, but the elastic modulus and low allowable stress can increase the sensitivity of the instrument, reducing the size and increasing the force





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Shanghai Tankii Alloy Material Co., Ltd

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