• ASTM TM28 Thermal bimetal alloy strip
  • ASTM TM28 Thermal bimetal alloy strip
  • ASTM TM28 Thermal bimetal alloy strip
  • ASTM TM28 Thermal bimetal alloy strip
  • ASTM TM28 Thermal bimetal alloy strip
  • ASTM TM28 Thermal bimetal alloy strip

ASTM TM28 Thermal bimetal alloy strip

Standard: ASTM, GB, DIN
Certification: ISO
Surface Treatment: Galvanized
Stock: Not Stock
use: Electrical appliances product temperature control
density: 8.3
Customization:
Diamond Member Since 2008

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Basic Info.

Model NO.
ASTM TM28
features
Linear temperature can reach 350 ºC
Allows the use of temperature range
-70~260ºC
Elastic modulus is not less than
1.72
Linear temperature range
-20~150
resistivity
0.15
bending
14.1
Temperature curvature
26.6%
The highest temperature
260
Transport Package
Wooden Case
Specification
customized
Trademark
tankii
Origin
Shanghai
HS Code
7226920000
Production Capacity
30t/Month

Product Description

ASTM TM28 Thermal bimetal alloy strip

overview 

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.

Main features: Linear temperature range is higher, low thermal performance, can be used at high temperature.
 
shop sign TM28
With brand  
Composite layer
alloybrand
High expansion layer Ni22Cr3
middle layer Cu
Low expansion layer Ni36
 
Chemical composition
shop sign Ni Cr Fe Co Cu Zn Mn Si C S P
Ni36 35.0~37.0 - allowance - - - ≤0.60 ≤0.3 0.05 0.02 0.02
Cu - - ≤0.005 - ≥99.9 ≤0.005 - - - 0.04 0.01
Ni22Cr3 21.0~23.0 2.0~4.0 allowance - - - 0.3~0.6 0.15~0.30 0.25~0.35 0.02 0.02

performance
Than bending K(20~135ºC) Temperature curvature
F/(greenhouse ~ 130 ºC)
 resistivity Linear temperature
/ ºC
Allows the use of temperature / ºC Density (g/cm after)
Nominal value Allowable deviation Standard values Allowable deviation
Level 1 Level  2
14.2 ±5% ±10% 26.6%±5% 0.15 ±10% -20~150 -70~200 8.2
 
ASTM TM28 Thermal bimetal alloy strip

ASTM TM28 Thermal bimetal alloy strip
ASTM TM28 Thermal bimetal alloy strip
ASTM TM28 Thermal bimetal alloy strip
ASTM TM28 Thermal bimetal alloy strip
ASTM TM28 Thermal bimetal alloy strip
 
 

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