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Precision Manganin 13 Wire CuMn13Ni4 0.08mm Ultra-Fine Grade for High Accuracy Shunt Resistors
| Place of Origin | Shanghai |
|---|---|
| Brand Name | Huona |
| Certification | ISO9001 |
| Model Number | CuMn13Ni4 |
| Minimum Order Quantity | 10KG |
| Price | Negotiable |
| Packaging Details | Carton/Wooden case |
| Delivery Time | 5-21 days |
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 500 tons per month |
Product Details
| 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% |
| Highlight | Precision Manganin 13 wire,Ultra-fine CuMn13Ni4 shunt resistor wire,High accuracy Manganin wire 0.08mm |
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Product Description
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.
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