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Huona Manganin Alloy Strip 6J13 Stable High Resistivity Corrosion Resistance

Huona Manganin Alloy Strip 6J13 Stable High Resistivity Corrosion Resistance

Huona Manganin Alloy Strip 6J13 Stable High Resistivity Corrosion Resistance
Huona Manganin Alloy Strip 6J13 Stable High Resistivity Corrosion Resistance
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Brand Name: Huona
Model Number: 6J13
Certification: ISO9001
Place of Origin: Shanghai
MOQ: 10kg
Price: Negotiable
Payment Terms: L/C,T/T,Western Union,MoneyGram
Supply Ability: 500 tons per month
Delivery Time: 5-21 days
Packaging Details: Carton/Wooden case
Product Name: 6J13 Manganin Alloy Strip
Thickness: 0.05-2.0mm
Width: 10-300mm
Resistivity (20℃): 0.44±0.04 μΩ·m
Temperature Coefficient of Resistance (TCR): -20×10⁻⁶/℃ to +20×10⁻⁶/℃ (-50℃ to 150℃)
Thermoelectric Potential (vs Cu): ≤2 μV/℃ (0℃ to 100℃)
≤2 μV/℃ (0℃ to 100℃): -50℃ to 120℃ (continuous); Short-term: up to 150℃ (≤1 hour)
Tensile Strength: Soft (annealed): 450-550 MPa; Half-hard: 550-650 MPa; Hard: 650-750 MPa
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Huona (Shanghai) New Material Co., Ltd.
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Huona Manganin Alloy Strip 6J13 Stable High Resistivity Corrosion Resistance

Product Description

6J13 Manganin Alloy Strip

Product Overview

6J13 manganin alloy strip, a high-precision resistance alloy product independently developed and manufactured by Huona New Material, is a typical copper-manganese-nickel (Cu-Mn-Ni) based precision resistance alloy. Crafted via advanced vacuum smelting, multi-pass cold-rolling, and controlled atmosphere annealing processes, this strip achieves ultra-tight dimensional tolerances and consistent electrical properties. It integrates the core advantages of manganin alloys: stable high resistivity, low resistance temperature coefficient (TCR), and excellent corrosion resistance —making it the preferred material for high-stability resistors, precision current shunts, and electrical measuring components in industrial instrumentation, automotive electronics, and precision equipment fields.

Standard Designations & Material Foundation

  • Alloy Grade: 6J13 (Chinese standard manganin precision resistance alloy grade; also known as F2 manganin )
  • International Equivalents: Comparable to DIN 17471 CuMn12Ni2 and UNS C75400 (for precision resistance applications)
  • Dimensional Specification: Customizable thickness (0.05mm-2.0mm) × width (10mm-300mm); common specifications include 0.1mm×50mm, 0.19mm×100mm, 0.25mm×150mm (tolerance: thickness ±0.002mm, width ±0.1mm)
  • Compliant Standards: Adheres to GB/T 1234-2019 (Chinese standard for resistance alloy strips), IEC 60404-8-2
  • Manufacturer: Huona New Material, certified to ISO 9001 and RoHS, with specialized production lines for manganin alloy processing

Key Advantages (vs. Common Resistance Alloys)

The 6J13 manganin strip stands out for its balanced precision performance and processability:
  1. Stable Resistance Characteristics:
Resistivity is stably maintained at 0.44±0.04 μΩ·m (20℃) , and the average resistance temperature coefficient (TCR) ranges from -20×10⁻⁶/℃ to +20×10⁻⁶/℃ within -50℃ to 150℃ , which is lower than that of constantan (6J40: ±40×10⁻⁶/℃ ). After 1000 hours of operation at 120℃, the resistance drift is less than 0.01%, ensuring long-term measurement accuracy of precision instruments.
  1. Optimized Mechanical & Processing Performance:
The alloy's uniform microstructure (grain size ≤25μm) enables excellent cold working performance. In half-hard temper, its tensile strength reaches 550-650 MPa, and elongation is 15-20% , which can withstand high-precision stamping and bending (minimum bending radius ≥2× thickness) without cracking. The bright annealed surface (Ra ≤0.2μm) is suitable for ultra-fine chemical etching, with a minimum etched line width of 0.03mm.
  1. Superior Corrosion & Thermal Stability:
The Cu-Mn-Ni alloy system forms a dense passive film, which can resist atmospheric corrosion, freshwater, and mild chemical environments (pH 4-10). It passes 1000-hour ASTM B117 salt spray testing with no obvious corrosion. Meanwhile, it has low thermoelectric potential (≤2μV/℃ vs. copper), effectively reducing measurement interference in low-voltage circuits .
  1. Cost-Effective Performance Balance:
Compared with 6J12 manganin alloy (resistivity 0.47±0.03 μΩ·m ), 6J13 has slightly lower resistivity but more stable batch consistency and lower production cost. It is a cost-effective choice for mid-to-high precision resistance components, balancing performance and economy.

Technical Specifications

Attribute
Value (Typical)
Chemical Composition (wt%)
Cu: 82.0-86.0% (Bal); Mn: 12.0-13.0%; Ni: 2.0-3.0%; Fe: ≤0.5%; Si: ≤0.15%; C: ≤0.10%
Thickness
Customizable: 0.05mm-2.0mm (tolerance: ±0.002mm)
Width
Customizable: 10mm-300mm (tolerance: ±0.1mm)
Length per Roll
50m - 300m (cut-to-length available: ≥100mm)
Resistivity (20℃)
0.44±0.04 μΩ·m
Temperature Coefficient of Resistance (TCR)
-20×10⁻⁶/℃ to +20×10⁻⁶/℃ (-50℃ to 150℃)
Thermoelectric Potential (vs Cu)
≤2 μV/℃ (0℃ to 100℃)
Operating Temperature Range
-50℃ to 120℃ (continuous); Short-term: up to 150℃ (≤1 hour)
Tensile Strength
Soft (annealed): 450-550 MPa; Half-hard: 550-650 MPa; Hard: 650-750 MPa
Elongation (25℃)
Soft: ≥25%; Half-hard: 15-20%; Hard: ≤10%
Hardness (HV)
Soft: 130-150; Half-hard: 180-200; Hard: 230-250
Surface Roughness (Ra)
≤0.2μm (bright annealed finish)

Product Specifications

Item
Specification
Surface Finish
Bright annealed (oxide-free, oil-free) – optimal for precision etching; matte finish (customizable)
Flatness
≤0.05mm/m – ensures uniform processing and resistance consistency
Machinability
Compatible with CNC stamping, laser cutting, and chemical etching; no edge burrs after processing
Weldability
Suitable for spot welding and TIG welding – welded joints have resistance variation ≤0.1%
Packaging
Vacuum-sealed in anti-oxidation aluminum foil bags with desiccants; wooden spools (150mm diameter) to prevent deformation
Customization
Temper adjustment (soft/half-hard/hard); width slitting; anti-tarnish passivation treatment; pre-etching patterns

Typical Applications

  • Precision Current Shunts: Used in ammeters, power analyzers, and EV battery management systems (BMS) – stable resistance ensures current measurement accuracy ≤0.05%.
  • High-Stability Resistors: Core material for resistor networks, precision potentiometers, and voltage dividers in industrial control systems .
  • Electrical Measuring Instruments: Resistance elements for pressure transducers and torque sensors – low TCR and thermoelectric potential reduce measurement errors .
  • Consumer Electronics: Micro-resistors for smartphone fast-charging modules and laptop power adapters – customizable thin gauge fits compact PCB layouts.
  • Automotive Electronics: Current-sensing components for engine control units (ECU) – corrosion resistance adapts to underhood humid environments.
Huona New Material implements strict quality control for 6J13 manganin alloy strips: each batch undergoes XRF chemical composition analysis, high-precision TCR testing (temperature-controlled resistance tester with accuracy ±0.1 ppm/℃), laser dimensional inspection, and 1000-hour thermal stability testing. Free samples (100mm×100mm) and detailed material test reports (MTR) are available upon request. Our technical team provides tailored support—including etching parameter optimization and temper selection for stamping processes—to help customers maximize the performance of 6J13 in precision applications.

Product Tags:

Manganin alloy strip 6J13

  

High resistivity corrosion resistant strip

  

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Quality Huona Manganin Alloy Strip 6J13 Stable High Resistivity Corrosion Resistance for sale

Huona Manganin Alloy Strip 6J13 Stable High Resistivity Corrosion Resistance

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