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Manganin CuMn12Ni Precision Shunt Wire 0.10mm Diameter for Current Measurement

China Manganin CuMn12Ni Precision Shunt Wire 0.10mm Diameter for Current Measurement

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Manganin CuMn12Ni Precision Shunt Wire 0.10mm Diameter for Current Measurement

MOQ： 10KG
Price： Negotiable
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Payment Terms	L/C,T/T,Western Union
Supply Ability	500 tons per month
Delivery Time	5-21 days
Packaging Details	Carton/Wooden case
Grade	CuMn12Ni
Standard Diameter	0.10mm (±0.003mm)
Resistivity (20°C)	~0.45 Ω·mm²/m
TCR Coefficient	≤ ±15 ppm/°C
Thermal EMF vs. Copper	≤ 1 µV/°C
Max Operating Temperature	150°C
Tensile Strength	≥500 MPa
Elongation	≥15%
Brand Name	Huona
Model Number	CuMn12Ni
Certification	ISO9001
Place of Origin	Shanghai

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Product Details
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Product Specification


Payment Terms	L/C,T/T,Western Union	Supply Ability	500 tons per month
Delivery Time	5-21 days	Packaging Details	Carton/Wooden case
Grade	CuMn12Ni	Standard Diameter	0.10mm (±0.003mm)
Resistivity (20°C)	~0.45 Ω·mm²/m	TCR Coefficient	≤ ±15 ppm/°C
Thermal EMF vs. Copper	≤ 1 µV/°C	Max Operating Temperature	150°C
Tensile Strength	≥500 MPa	Elongation	≥15%
Brand Name	Huona	Model Number	CuMn12Ni
Certification	ISO9001	Place of Origin	Shanghai
High Light	Manganin CuMn12Ni shunt wire ，0.10mm precision shunt wire ，current measurement shunt wire

Manganin (CuMn12Ni) Precision Shunt Wire – 0.10mm Diameter

Product Overview

Manganin (CuMn12Ni) precision shunt wire from Huona is a high-stability copper-manganese-nickel alloy, purpose-built for precision shunt resistors, current-sensing elements, and low-temperature-coefficient applications. Manufactured via vacuum melting, fine drawing, and controlled stress-relief annealing, this ultra-fine wire delivers exceptional electrical stability, near-zero temperature coefficient, and excellent long-term reliability, making it the material of choice for high-accuracy measurement and control circuits.

Domestic & International Equivalent Grades

Alloy Grade: Manganin (CuMn12Ni)
Standard Designations:
- GB/T 6145: CuMn12Ni
- ASTM B267: Manganin Alloy
- DIN: CuMn12Ni
Brand Equivalents: Isabellenhucht Manganin, Driver Manganin Grade

Core Material & Dimensional Specifications

Product Name: Manganin (CuMn12Ni) Precision Shunt Wire
Alloy Composition: Cu ~86%, Mn ~12%, Ni ~2% (strict impurity control)
Standard Diameter: 0.10mm (customizable: 0.03–0.50mm)
Diameter Tolerance: ±0.003mm
Form: Bare bright wire wound on plastic spools (standard length: 2000m/spool)
Surface Condition: Annealed, oxide-free, bright copper finish
Packaging: Sealed anti-oxidation spool packaging with moisture-proof wrapping

Electrical & Physical Performance Parameters

Resistivity (20°C): ~0.45 Ω·mm²/m
Temperature Coefficient of Resistance (TCR): ≤ ±15 ppm/°C (0–100°C)
Maximum Operating Temperature: 150°C (continuous use)
Thermal EMF vs. Copper: ≤ 1 µV/°C
Tensile Strength: ≥500 MPa (annealed)
Elongation: ≥15%
Density: ~8.4 g/cm³
Magnetic Property: Non-magnetic

Key Differentiating Advantages

1. Ultra-Stable Resistance with Near-Zero TCR

Manganin wire offers an extremely low temperature coefficient of resistance (≤ ±15 ppm/°C), ensuring minimal resistance drift even under significant temperature fluctuations. This stability is critical for precision shunt resistors and current-sensing elements, where accurate, consistent measurements are essential.

2. Extremely Low Thermal EMF vs. Copper

With a thermal EMF of ≤ 1 µV/°C against copper, Manganin eliminates measurement errors caused by thermoelectric effects at junctions. This makes it ideal for high-accuracy multimeters, wattmeters, and precision power measurement circuits.

3. Excellent Long-Term Stability & Aging Resistance

The alloy’s refined microstructure provides exceptional resistance to aging and thermal drift, maintaining consistent resistance values over thousands of operating hours. This eliminates the need for frequent calibration in critical measurement systems.

4. Superior Formability for Fine Winding

The wire exhibits good ductility and workability, making it suitable for ultra-fine winding in precision resistors and potentiometers. It maintains consistent mechanical properties even after repeated bending, supporting high-volume production of tiny, dense winding components.

5. Good Solderability & Corrosion Resistance

The bright copper finish is easy to tin and solder, ensuring reliable connections in electronic assemblies. The alloy also offers good resistance to atmospheric corrosion and moisture, extending service life in industrial and laboratory environments.

Technical Parameter Table

Attribute	Typical Specification
Alloy Grade	Manganin (CuMn12Ni)
Standard Diameter	0.10mm (±0.003mm)
Resistivity (20°C)	~0.45 Ω·mm²/m
TCR Coefficient	≤ ±15 ppm/°C
Thermal EMF vs. Copper	≤ 1 µV/°C
Max Operating Temperature	150°C
Tensile Strength	≥500 MPa
Elongation	≥15%
Surface Finish	Annealed bright copper
Packaging Form	2000m/Plastic Spool

Supply & Packaging Standard

Supply Form: Bare Manganin wire on plastic spools; custom diameters, lengths, and tin-plated finishes available
Packaging: Anti-oxidation isolation paper + sealed plastic bag + standard export spool packaging, moisture-proof and dust-proof
MOQ: Small sample order available; bulk industrial orders supported
Custom Service: Special tolerances, ultra-fine wire drawing, and surface treatments can be customized according to customer specifications

Typical Application Scope

Precision Shunt Resistors: High-accuracy current-sensing resistors for multimeters, wattmeters, and power measurement instruments.
Wire-Wound Precision Resistors: Stable resistive elements for laboratory equipment, calibration standards, and control circuits.
Potentiometers & Rheostats: Precision winding wires for variable resistors requiring consistent resistance values.
Battery Management Systems (BMS): Low-drift current-sensing elements for lithium-ion battery packs and charging systems.
Industrial Controls: Temperature-compensated resistive elements in automation equipment and process control systems.

Company Details

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Business Type:

Manufacturer,Exporter 
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Year Established:

2008 
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Total Annual:

8000000-100000000
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Employee Number:

100~120 
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Ecer Certification：

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Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig... Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig...

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