Chace 2400 Thermal Bimetal Strip For Mechanical Devices
Brand Name:TANKII
Certification:ISO9001
Model Number:Chace 2400
Minimum Order Quantity:50kg
Delivery Time:8-20 days
Payment Terms:L/C, T/T, Western Union，PayPal
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Location:
Shanghai Shanghai China
Address:
1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
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Chace 2400 Thermal bimetal strip
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.
Diagram of a bimetallic strip showing how the difference in thermal
expansion in the two metals leads to a much larger sideways
displacement of the strip
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 |
| Ni22Cr3 | ≤0.35 | 0.15~0.3 | 0.3~0.6 | ≤0.02 | ≤0.02 | 21~23 | 2.0~4.0 | - | Bal. |
Composition
| Grade | Chace 2400 |
| High expansion layer | Ni22Cr3 |
| Low expansion layer | Ni36 |
Style of supply
| Alloys Name | Type | Dimension | ||
| Chace 2400 | Strip | W= 5~120 mm | T= 0.1~5 mm | |
Typical Physical properties
| Density (g/cm3) | 8.2 |
| Electrical resistivity at 20ºC(OMmm2/m) | 0.8±5% |
| Thermal conductivity, λ/ W/(m*ºC) | 22 |
| Elastic Modulus, E/ Gpa | 147~177 |
| Bending K / 10-6 ºC-1(20~135ºC) | 14.3 |
| Temperature bending rate F/(20~130ºC)10-6ºC-1 | 26.2%±5% |
| Allowable temperature (ºC) | -70~ 350 |
| Linear temperature (ºC) | -20~ 180 |
Chace 2400 Thermal Bimetal Strip For Mechanical Devices
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