Ohmalloy Material Co.,Ltd
| Surface | Bright |
| Density (g/cm3) | 7.7 |
| Linear temperature (℃) | -20~ 150 |
| Low expansion layer | Ni36 |
| Brand Name | OHMALLOY |
| Certification | SGS, ISO, RoHS |
| Place of Origin | China(Shanghai) |
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Product Specification
| Surface | Bright | Density (g/cm3) | 7.7 |
| Linear temperature (℃) | -20~ 150 | Low expansion layer | Ni36 |
| Brand Name | OHMALLOY | Certification | SGS, ISO, RoHS |
| Place of Origin | China(Shanghai) | ||
| High Light | Spring Bimetallic alloy strip ，1mmx5mm Bimetallic alloy strip ，TB20110 Bimetallic alloy strip | ||
Bimetallic alloy strip 1mmx5mm DIN TB20110 for Spring
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
Composition
| Grade | 5J20110 |
| High expansion layer | Mn75Ni15Cu10 |
| Low expansion layer | Ni36 |
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 |
| Mn75Ni15Cu10 | ≤0.05 | ≤0.5 | Bal. | ≤0.02 | ≤0.02 | 14~16 | - | 9~11 | ≤0.8 |
| Density (g/cm3) | 7.7 |
| Electrical resistivity at 20℃(Ωmm2/m) | 1.13 ±5% |
| Thermal conductivity, λ/ W/(m*℃) | 6 |
| Elastic Modulus, E/ Gpa | 113~142 |
| Bending K / 10-6℃-1(20~135℃) | 20.8 |
| Temperature bending rate F/(20~130℃)10-6℃-1 | 39.0%±5% |
| Allowable temperature (℃) | -70~ 200 |
| Linear temperature (℃) | -20~ 150 |
Application: The material is mainly in automatic control devices and instrumentation (eg: exhaust thermometers, thermostats, voltage regulators, temperature relay, automatic protection switching, diaphragm meters, etc.) make temperature control, temperature compensation, current limit, temperature indicator and other heat-sensitive components.
Feature: The basiccharacteristics ofThermostat Bimetallicisbending deformationwith temperature changes, resulting ina certainmoment.
Thermostat Bimetallic Stripexpansion coefficientisdifferentfrom thetwo or more layersofmetaloralloyalongthe entire contact surfacefirmlybonded, having atemperature-dependentshape changeoccursthermosensitivefunctional composites. Wherein thehigher expansioncoefficientofthe activelayer isa layercalled alowcoefficient of expansionof thelayer is namedpassive layer.
Style of supply
| Alloys Name | Type | Dimension | |
| OhmAlloy-5J20110 | Strip | W= 5~120mm | T= 0.1mm |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2008
Total Annual:
4000000-6000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface... Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface...
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