ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)

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  • ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
  • ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
  • ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
  • ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
  • ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
  • ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
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Basic Info.

Model NO.
TB1577
Standard
ASTM, JIS, GB, DIN
Certification
ISO, RoHS
Surface Treatment
Polished
Technique
Cold Rolled
Application
Boiler Plate
Than bending
15.5
resistivity
0.78
density
8.1
Allows the use of temperature
-70~350
Linear temperature
-20~200
Temperature curvature
28.5%±5%
Modulus of elasticity
147000
use
Machine tool electrical appliances
features
High thermal sensitivity
material
Ni20Mn6 Ni36
Transport Package
Wooden Case
Specification
negotiable
Trademark
tankii
Origin
China
HS Code
7408229000
Production Capacity
3000 Tons/Year

Product Description

ASTM TM29 DIN Tb1577A General-Purpose Bimetal Strip 5j1580 (5J16)
Product Description
(Common Name: KCanthal 155)

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.

Application: The material is mainly in automatic control devices and instrumentation (eg: exhaust thermometers, thermostats, voltage regulators, temperature relay, automatic protection switching, diaphragm meters, etc.) make temperature control, temperature compensation, current limit, temperature indicator and other heat-sensitive components.

Composition

Grade TB1577
High expansion layer Ni20Mn6
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
Ni20Mn6 ≤0.05 0.15~0.3 5.5~6.5 ≤0.02 ≤0.02 19~21 - - Bal.

Typical Physical properties

Density (g/cm3) 8.1
Electrical resistivity at 20ºC(OMmm2/m) 0.8±5%
Thermal conductivity, λ/ W/(m*ºC) 12
Elastic Modulus, E/ Gpa 147~177
Bending K / 10-6 ºC-1(20~135ºC) 15
Temperature bending rate F/(20~130ºC)10-6ºC-1 28.5%±5%
Allowable temperature (ºC) -70~ 350
Linear temperature (ºC) -20~ 180

Feature: The basic characteristics of Thermostat Bimetallic is bending deformation with temperature changes, resulting in a certain moment.
Thermostat Bimetallic Strip expansion coefficient is different from the two or more layers of metal or alloy along the entire contact surface firmly bonded, having a temperature-dependent shape change occurs thermosensitive functional composites. Wherein the higher expansion coefficient of the active layer is a layer called a low coefficient of expansion of the layer is named passive layer.

ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)
ASTM TM29 DIN General-Purpose Bimetal Strip 5j1580 (5J16)

 

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