Shanghai, China
Management System Certification:
ISO 9001
OEM/ODM Service
Sample Available
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Strip, Bimetal strip, Thermal bimetal strip manufacturer / supplier in China, offering Thermal bimetal strip ( RB-1 NIy), Constantan Flat wire, SS420 stainless steel wire TAFA t60 Thermal Spray Wire and so on.

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Thermal bimetal strip ( RB-1 NIy)

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Purchase Qty. / Reference FOB Price
50-299 kg US $35
300-1,999 kg US $33
2,000+ kg US $30
Port: Shanghai, China
Production Capacity: 30tons/Month
Payment Terms: L/C, T/T, Western Union, Paypal
Product Type: Thermal bimetallic
Material: Ni36 Mn72Ni10Cu18
Carbon Content: Low Carbon
Than bending: 20.8
resistivity: 1.13
density: 7.7g/cm³

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Basic Info

Model NO.: RB-1 NIy
Allows the use of temperature: -70~200
Modulus of elasticity: 113000
use: Thermal protector
Linear temperature: -20~150
Temperature curvature: 39.0%±5%
Trademark: tankii
Transport Package: Wooden Case
Specification: negotiable
Origin: China
HS Code: 7408229000

Product Description


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.
 
GradeRB1
High expansion layerMn75Ni15Cu10
Low expansion layerNi36
 
 
Description:
Chemical composition(%)
 
GradeCSiMnPSNiCrCuFe
Ni36≤0.05≤0.3≤0.6≤0.02≤0.0235~37--Bal.
 
GradeCSiMnPSNiCrCuFe
Mn75Ni15Cu10≤0.05≤0.5Bal.≤0.02≤0.0214~16-9~11≤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
 
 
If you are interested in our products, please contact me!
 
 
Shanghai Tankii Alloy Material Co., Ltd
 

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