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Build Your Online Product Catalogs?
Product Name: |
Ohmalloy-5J1580 Thermostatic Bimetal Strip
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Supply Ability: |
80000 Kilogram/Kilograms per Week |
Related proudcts |
strip, thermostatic bimetal, |
Specifications |
W= 5~120mm T= 0.1mm |
Price Term: |
FOB |
Port of loading: |
shanghai |
Minimum Order |
20 Kilogram/Kilograms |
Unit Price: |
US $30 - 50 / Kilogram |
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OhmAlloy-5J1580 (Bimetallic strip)
(Common Name: Kanthal 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 co***ctness. 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 Composition Grade 5J1580 High expansion layer Ni20Mn6 Low expansion layer Ni36
Chemical composition(%)
Grade C Si Mn P S Ni Cr Cu Fe Ni36 ¡Ü0.05 ¡Ü0.3 ¡Ü0.6 ¡Ü0.02 ¡Ü0.02 35~37 - - Bal.
Grade C Si Mn P S Ni Cr Cu Fe Ni20Mn6 ¡Ü0.05 0.15~0.3 5.5~6.5 ¡Ü0.02 ¡Ü0.02 19~21 - - Bal.
Typical Physical properties Density (g/cm3) 8.1 Electrical resistivity at 20℃(&©|8486;mm2/m) 0.8¡À5% Thermal conductivity, ¦Ë/ W/(m*℃) 12 Elastic Modulus, E/ Gpa 147~177 Bending K / 10-6 ℃-1(20~135℃) 15 Temperature bending rate F/£¨20~130℃£©10-6℃-1 28.5%¡À5% Allowable temperature (℃) -70~ 350 Linear temperature (℃) -20~ 180
Application: The material is mainly in automatic control devices and instrumentation (eg: exhaust thermometers, thermostats, voltage regulators, temperature re |
Company: |
ohmalloy material co., ltd
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Contact: |
Mr. xiaofeng Qiu |
Address: |
youyi road, baoshan, shanghai |
Postcode: |
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Tel: |
66796338 |
Fax: |
66796339 |
E-mail: |
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