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Precision Manganin 13 Wire CuMn13Ni4 0.08mm Ultra-Fine Grade for High Accuracy

China Precision Manganin 13 Wire CuMn13Ni4 0.08mm Ultra-Fine Grade for High Accuracy

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Precision Manganin 13 Wire CuMn13Ni4 0.08mm Ultra-Fine Grade for High Accuracy

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	CuMn13Ni4
Diameter	0.08mm (±0.002mm)
Resistivity (20°C)	~0.48 Ω·mm²/m
TCR Coefficient	≤ ±10 ppm/°C
Thermal EMF vs. Copper	≤ 0.5 µV/°C
Max Operating Temperature	130°C
Tensile Strength	≥550 MPa
Elongation	≥12%
Brand Name	Huona
Model Number	CuMn13Ni4
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	CuMn13Ni4	Diameter	0.08mm (±0.002mm)
Resistivity (20°C)	~0.48 Ω·mm²/m	TCR Coefficient	≤ ±10 ppm/°C
Thermal EMF vs. Copper	≤ 0.5 µV/°C	Max Operating Temperature	130°C
Tensile Strength	≥550 MPa	Elongation	≥12%
Brand Name	Huona	Model Number	CuMn13Ni4
Certification	ISO9001	Place of Origin	Shanghai

Precision Manganin 13 Wire (CuMn13Ni4) – 0.08mm Ultra-Fine Grade

Product Overview

This Manganin 13 (CuMn13Ni4) precision resistance wire is a high-performance copper-manganese-nickel alloy, specially formulated for ultra-stable, low-temperature-coefficient applications requiring exceptional precision and reliability. Manufactured via high-purity vacuum melting, multi-pass fine drawing, and precision stress-relief annealing, this ultra-fine wire delivers industry-leading electrical stability, near-zero temperature coefficient, and minimal thermal EMF, making it the gold standard for high-accuracy shunt resistors, calibration standards, and laboratory-grade measurement circuits.

Domestic & International Equivalent Grades

Alloy Grade: Manganin 13 (CuMn13Ni4)
Standard Designations:
- GB/T 6145: CuMn13Ni4 (Manganin 13)
- ASTM B267: Manganin Alloy (Type 13)
- DIN: CuMn13Ni4
Brand Equivalents: Isabellenhucht Manganin 13, Driver Precision Grade Manganin

Core Material & Dimensional Specifications

Product Name: Manganin 13 (CuMn13Ni4) Ultra-Fine Precision Wire
Alloy Composition: Cu ~83%, Mn ~13%, Ni ~4% (with trace additives for enhanced stability)
Standard Diameter: 0.08mm (customizable: 0.02–0.30mm)
Diameter Tolerance: ±0.002mm (ultra-precision drawing)
Form: Bare bright wire wound on high-precision plastic spools (standard length: 3000m/spool)
Surface Condition: Mirror-bright, oxide-free finish with uniform diameter and no surface defects
Packaging: Sealed, nitrogen-purged anti-oxidation packaging for long-term storage

Electrical & Physical Performance Parameters

Resistivity (20°C): ~0.48 Ω·mm²/m
Temperature Coefficient of Resistance (TCR): ≤ ±10 ppm/°C (0–100°C)
Maximum Operating Temperature: 130°C (continuous use; short-term up to 150°C)
Thermal EMF vs. Copper: ≤ 0.5 µV/°C (ultra-low thermoelectric effect)
Tensile Strength: ≥550 MPa (annealed state)
Elongation: ≥12%
Density: ~8.4 g/cm³
Magnetic Property: Non-magnetic

Key Differentiating Advantages

1. Industry-Leading TCR Stability

Manganin 13 offers an ultra-low TCR (≤ ±10 ppm/°C), superior to standard CuMn12 grades. This ensures minimal resistance drift even under extreme temperature fluctuations, making it ideal for precision applications where accuracy cannot be compromised.

2. Ultra-Low Thermal EMF for High-Accuracy Measurements

With a thermal EMF of ≤ 0.5 µV/°C against copper, this grade eliminates virtually all measurement errors caused by thermoelectric junctions. This is critical for precision multimeters, wattmeters, and calibration standards.

3. Enhanced Long-Term Stability & Aging Resistance

The refined CuMn13Ni4 composition provides exceptional resistance to aging and thermal drift, maintaining consistent resistance values over decades of use. This makes it ideal for reference standards and critical measurement systems that require minimal calibration.

4. Precision Formability for Ultra-Fine Winding

The wire’s high ductility and uniform grain structure enable ultra-fine, tight winding in micro-precision resistors and potentiometers. It maintains consistent mechanical properties even at extremely small diameters, supporting high-volume production of miniature components.

5. Superior Corrosion & Oxidation Resistance

The alloy forms a dense, protective oxide layer, providing excellent resistance to atmospheric corrosion, moisture, and mild chemical environments. This extends service life in laboratory and industrial settings.

Technical Parameter Table

Attribute	Typical Specification
Alloy Grade	Manganin 13 (CuMn13Ni4)
Standard Diameter	0.08mm (±0.002mm)
Resistivity (20°C)	~0.48 Ω·mm²/m
TCR Coefficient	≤ ±10 ppm/°C
Thermal EMF vs. Copper	≤ 0.5 µV/°C
Max Operating Temperature	130°C
Tensile Strength	≥550 MPa
Elongation	≥12%
Surface Finish	Mirror-bright annealed copper
Packaging Form	3000m/High-precision Plastic Spool

Supply & Packaging Standard

Supply Form: Bare Manganin 13 wire on precision spools; custom diameters, lengths, and tin-plated finishes available
Packaging: Nitrogen-purged anti-oxidation isolation + sealed plastic bag + shock-resistant spool packaging, moisture-proof and dust-proof
MOQ: Small sample order available; bulk industrial orders supported
Custom Service: Ultra-precision tolerances, special surface treatments, and custom spool configurations available

Typical Application Scope

Calibration Standards & Reference Resistors: Primary and secondary resistance standards for laboratories and metrology institutes.
High-Precision Shunt Resistors: Ultra-accurate current-sensing elements for high-end multimeters, power analyzers, and wattmeters.
Wire-Wound Precision Resistors: Stable resistive elements for medical equipment, aerospace avionics, and industrial control systems.
Potentiometers & Precision Rheostats: Ultra-stable winding wires for high-precision variable resistors and trimming potentiometers.
Battery Management Systems (BMS): Low-drift current-sensing elements for high-precision lithium-ion battery monitoring and charging 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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