Copper-Manganese-Tin Alloy Strip CuMn7Sn Resistivity 0.29 Resistance shunt Strip with Good

Manganin strips are a common form of the manganin alloy used in various electrical and electronic applications. Manganin strips have the following key characteristics:

1. Material Composition:

   • Manganin strips are typically composed of the standard manganin alloy, which contains around 84% copper, 12% manganese, and 4% nickel.

2. Physical Properties:

   • Manganin strips are available in a range of thicknesses, typically from 0.01 mm to 1.0 mm.
   • The width of manganin strips can vary, but common widths include 2 mm, 5 mm, 10 mm, and 20 mm.
   • Manganin strips have a flat, rectangular cross-section.

3. Electrical Properties:

   • Manganin strips exhibit an extremely low temperature coefficient of resistance, typically around 0.00002 per degree Celsius.
   • The electrical resistivity of manganin strips is around 44 microohm-cm at 20°C.
   • Manganin strips are used to fabricate highly accurate and stable resistors and other precision electrical components.

4. Applications:

   • Manganin strips are commonly used in the construction of precision resistors, burden resistors, and shunt resistors.
   • They are also used in Wheatstone bridges, voltage dividers, and other sensitive electrical measurement circuits.
   • Manganin strips can be further processed, such as by winding or etching, to create specific resistor designs.

The combination of stable electrical properties and corrosion resistance makes manganin strips a preferred choice for applications where consistent and reliable resistance values are critical, such as in scientific instrumentation, industrial controls, and metrology.

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Mechanical Properties Manganin 43

Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribbon wire, sheet, tape, strip, rod and plate.

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