• ASTM TM20 Thermal bimetal alloy strip
  • ASTM TM20 Thermal bimetal alloy strip
  • ASTM TM20 Thermal bimetal alloy strip
  • ASTM TM20 Thermal bimetal alloy strip

ASTM TM20 Thermal bimetal alloy strip

Standard: ASTM, JIS, GB
Certification: ISO
Surface Treatment: light
Technique: Cold Rolled
Application: Flange Plate
Than bending: 13.9
Customization:

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Basic Info.

Model NO.
ASTM TM20
resistivity
0.785
density
8.03
Allows the use of temperature
-70~370
Linear temperature
-20~150
Temperature curvature
25%±5%
Modulus of elasticity
1.72
use
Temperature compensation element
features
Good thermal conductivity, easy electroplating, we
The highest temperature
480
Transport Package
Wooden Case
Specification
negotiable
Trademark
tankii
Origin
China
HS Code
7408229000
Production Capacity
3000 Tons/Year

Product Description

ASTM TM20 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: wide temperature range.Suitable for use under high temperature
shop sign ASTM TM20
With brand  
Composite layer
alloybrand
High expansion layer Ni18Cr11
middle layer --------
Low expansion layer Ni36

Chemical composition
shop sign Ni Cr Fe Co Cu Zn Mn Si C S P
Ni36 35.0~27.0 - allowance - - - ≤0.6 ≤0.3 0.05 0.02 0.02
Ni18Cr11 17.0~29.0 10~12 allowance - - - 0.3~0.6 0.2~0.4 0.08 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
13.3 ±8% ±10% 25.0%±10% 0.78 ±5% -20~150 -70~370 8.0

ASTM TM20 Thermal bimetal alloy strip
ASTM TM20 Thermal bimetal alloy strip
ASTM TM20 Thermal bimetal alloy strip
ASTM TM20 Thermal bimetal alloy strip
ASTM TM20 Thermal bimetal alloy strip
ASTM TM20 Thermal bimetal alloy strip
 

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