TB 200/108 TB 200/113 Thermal Bimetal Strip bimetal sheet TB 20110
Main features: high heat sensitive properties and high resistivity,
but lower elastic modulus and allowed stress, can increase the
sensitivity of the instrument, smaller size and increase the
reaction
| shop sign | TB 200/108 TB 200/113 |
| With brand | |
Composite layer
alloybrand | High expansion layer | Mn75Ni15Cu10(Mn72Ni10Cu18) |
| middle layer | -------- |
| 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 | - | - | - | ≤0.6 | ≤0.3 | 0.05 | 0.02 | 0.02 |
| Mn72Ni10Cu18 | 8.0~11.0 | - | ≤0.8 | - | 17.0~19.0 | - | allowance | ≤0.5 | 0.05 | 0.03 | 0.02 |
| Mn75Ni15Cu10 | 14.0~16.0 | - | ≤0.8 | - | 9.0~11.0 | - | allowance | ≤0.5 | 0.05 | 0.02 | 0.03 |
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 |
| 20.8 | ±5% | ±7% | 39.0%±5% | 1.13 | ±5% | -20~150 | -70~200 | 7.7 |
Modulus of elasticity
E/GPa | Hardness (HV) | Tensile strength
MPa | Allow stress MPa |
| High expansion layer | Low expansion layer | minimum | biggest |
| 113~142 | 190~240 | 200~255 | 736~834 | 147 | 294 |
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.
System of heat treatment: heat sensitive resistance, resistivity
and elastic modulus of samples before the measurement must undergo
heat treatment, to eliminate stress.
Main features: high heat sensitive properties and high resistivity,
but lower elastic modulus and allowed stress, can increase the
sensitivity of the instrument, smaller size and increase the
reaction
About us
Shanghai Tankii Alloy Material Co., Ltd. specialized in production of thermocouple wire, thermocouple cable, thermocouple connector, and
other thermocouple products.
Based on the principle of “first quality, sincere service”, our
managing ideology is pursuing technology innovation and creating
the top brand in the alloy field. We persist in Quality - the
foundation of the survival. It is our forever ideology to serve you
with full heart and soul. We committed to provide customers all
over the world with high-quality, competitive products and perfect
service.
Our products, such us nichrome wire, nichrome strip, fecral wire,
fecral strip, thermocouple wire, nickel wire, nickel strip have
been exported to Europe, USA, India, Southest Asia, South
America,etc.
We are willing to establish strong and long-time partnership with
our customers
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trust will bring us to provide you the best services in the
business.
