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China, Chinese Stock price for Resistance heating / resistance wire manganin alloy wire 43A 0.134mm1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
AlloyCopper AlloyCuMn12NiCuMn12Ni2
Shanghai Tankii Alloy Material Co., Ltd.
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Product Description Product DescriptionManganese copper alloy resistance alloy 0.134mm in stock 10kg priceCommon name:Manganin- wire,Manganina 43, is a copper-manganese-nickel alloy (CuMnNi alloy) for use at room temperature.The alloy is characterized by very low thermal electromotive force (emf) compared to copper. Core featuresThe most prominent feature of manganese copper wire is its excellent performance combination:1. Extremely low temperature coefficient of resistanceThis is its most important feature. Within a certain temperature range around room temperature (about 20 ° C), the resistance value changes very little with temperature. This means that when the ambient temperature fluctuates, the resistance of the manganese copper wire remains almost unchanged, thus providing stable and accurate resistance values.2. Good long-term stabilityAfter appropriate heat treatment (annealing) and aging treatment, the internal structure of manganese copper alloy is very stable, and its resistance value changes very little over many years of use.3. Low thermoelectric potential for copperWhen manganese copper wire is connected to copper wire, the thermoelectric potential (thermoelectric potential) generated at the joint is very low. This is crucial for precise measurement, as it can avoid measurement errors introduced by thermoelectric potential.4. Good mechanical performance and processabilityIt has sufficient strength and toughness to be pulled into very fine wires and wound into various shapes of resistive elements. ApplicationsBased on the above characteristics, manganese copper wire is mainly used to manufacture various high-precision resistors and measuring components:1. Standard resistorUsed as a reference and standard for resistance in laboratories and metrology institutions. Require extremely accurate and stable resistance values.2. ShuntUsed to expand the range of an ammeter. Make a known small resistor (shunt resistor) of manganese copper wire and connect it in parallel at both ends of the ammeter. Most of the current will flow through this resistor, thus indirectly measuring high current by measuring the voltage on the resistor. Due to its low temperature coefficient, the measurement results are less affected by current heating.3. Precision resistor componentsUsed as the core sampling and voltage divider resistor in high-precision instruments such as multimeters, bridges, and potentiometers.4. Shunt resistorIn electronic circuits, it is used in situations where precise current measurement is required, such as power management, output current detection of power amplifiers, etc Product Parameters Chemical Content, %NiMnFeSiCuOtherROHS DirectiveCdPbHgCr2~511~13<0.5microBal-NDNDNDNDMechanical PropertiesMax Continuous Service Temp0-100oCResisivity at 20oC0.44±0.04ohm mm2/mDensity8.4 g/cm3Thermal Conductivity40 KJ/m·h·oCTemp Coefficient of Resistance at 20 oC0~40α×10-6/oCMelting Point1450oCTensile Strength(Hard)585 Mpa(min)Tensile Strength,N/mm2 Annealed,Soft390-535Elongation6~15%EMF vs Cu, μV/oC (0~100oC)2(max)Micrographic StructureausteniteMagnetic PropertynonHardness200-260HBMicrographic StructureFerriteMagnetic PropertyMagneticResistance Alloy- Manganin Sizes / Temper CapabilitiesCondition: Bright, Annealed, Soft Wire diameter 0.02mm-1.0mm packing in spool, big than 1.0mm packing in coilRod, Bar diameter 1mm-30mm Strip: Thickness 0.01mm-7mm, Width 1mm-280mm Enameled condition is available
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