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Hot Sale CuNi23/NC030 Strip Nickel Copper Alloy for Electrical & Industrial Use

China Hot Sale CuNi23/NC030 Strip Nickel Copper Alloy for Electrical & Industrial Use

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Hot Sale CuNi23/NC030 Strip Nickel Copper Alloy for Electrical & Industrial Use

MOQ： 5kg
Price： Negotiable
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Payment Terms	L/C,T/T,Western Union,MoneyGram
Supply Ability	500 tons per month
Delivery Time	5-21days
Packaging Details	Carton/Wooden Case
Product Name	CuNi23 Strip
Thickness Range	0.01mm - 2.0mm
Width Range	5mm - 600mm
Temper Options	Soft (annealed), Half-hard, Hard (cold-rolled)
Tensile Strength	Soft: 350-400 MPa; Half-hard: 450-500 MPa; Hard: 550-600 MPa
Elongation (25°C)	Soft: ≥30%; Half-hard: 15-25%; Hard: ≤10%
Hardness (HV)	Soft: 90-110; Half-hard: 130-150; Hard: 170-190
Resistivity (20°C)	35-38 μΩ·cm
Brand Name	Huona
Model Number	CuNi23
Certification	ISO9001
Place of Origin	Shanghai

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Product Specification


Payment Terms	L/C,T/T,Western Union,MoneyGram	Supply Ability	500 tons per month
Delivery Time	5-21days	Packaging Details	Carton/Wooden Case
Product Name	CuNi23 Strip	Thickness Range	0.01mm - 2.0mm
Width Range	5mm - 600mm	Temper Options	Soft (annealed), Half-hard, Hard (cold-rolled)
Tensile Strength	Soft: 350-400 MPa; Half-hard: 450-500 MPa; Hard: 550-600 MPa	Elongation (25°C)	Soft: ≥30%; Half-hard: 15-25%; Hard: ≤10%
Hardness (HV)	Soft: 90-110; Half-hard: 130-150; Hard: 170-190	Resistivity (20°C)	35-38 μΩ·cm
Brand Name	Huona	Model Number	CuNi23
Certification	ISO9001	Place of Origin	Shanghai
High Light	CuNi23 nickel copper alloy strip ，NC030 copper nickel alloy for electrical use ，industrial copper nickel alloy strip with warranty

Product Description

CuNi23 Strip

Product Overview

CuNi23 strip, a high-performance copper-nickel alloy strip meticulously crafted by Huona New Material, is engineered with a nominal 23% nickel content balanced with copper as the base metal. Leveraging our advanced rolling and annealing technologies, this strip delivers exceptional electrical resistance stability, corrosion resistance, and formability—making it a preferred choice for precision electrical components, decorative applications, and marine hardware. Its unique alloy composition strikes a cost-effective balance between performance and material expense, outperforming lower-nickel CuNi alloys in stability while remaining more affordable than high-nickel grades like CuNi44.

Standard Designations

Alloy Grade: CuNi23 (Copper-Nickel 23)

UNS Number: C70600

International Standards: Complies with DIN 17664, ASTM B122, and GB/T 2059

Form: Rolled strip (flat); custom slit widths available

Manufacturer: Huona New Material, certified to ISO 9001 for consistent quality control

Key Advantages (vs. Similar Alloys)

CuNi23 strip stands out among copper-nickel alloys for its targeted performance profile:

Balanced Resistance & Cost: Resistivity of 35-38 μΩ·cm (20°C)—higher than CuNi10 (45 μΩ·cm, but more costly) and lower than pure copper (1.72 μΩ·cm), making it ideal for mid-precision resistive components without overspending.

Superior Corrosion Resistance: Outperforms brass and pure copper in saltwater, humid, and mild chemical environments; passes 1000-hour ASTM B117 salt spray testing with minimal oxidation.

Excellent Formability: High ductility enables cold rolling to ultra-thin gauges (0.01mm) and complex stamping (e.g., precision grids, clips) without cracking—surpassing the workability of high-nickel CuNi44.

Stable Thermal Properties: Low temperature coefficient of resistance (TCR: ±50 ppm/°C, -40°C to 150°C), ensuring minimal resistance drift in temperature-fluctuating industrial settings.

Attractive Aesthetic: Natural silvery luster eliminates the need for plating, reducing post-processing costs for decorative and architectural applications.

Technical Specifications

Attribute	Value (Typical)
Chemical Composition (wt%)	Cu: 76-78%; Ni: 22-24%; Fe: ≤0.5%; Mn: ≤0.8%; Si: ≤0.1%; C: ≤0.05%
Thickness Range	0.01mm - 2.0mm (tolerance: ±0.001mm for ≤0.1mm; ±0.005mm for >0.1mm)
Width Range	5mm - 600mm (tolerance: ±0.05mm for ≤100mm; ±0.1mm for >100mm)
Temper Options	Soft (annealed), Half-hard, Hard (cold-rolled)
Tensile Strength	Soft: 350-400 MPa; Half-hard: 450-500 MPa; Hard: 550-600 MPa
Yield Strength	Soft: 120-150 MPa; Half-hard: 300-350 MPa; Hard: 450-500 MPa
Elongation (25°C)	Soft: ≥30%; Half-hard: 15-25%; Hard: ≤10%
Hardness (HV)	Soft: 90-110; Half-hard: 130-150; Hard: 170-190
Resistivity (20°C)	35-38 μΩ·cm
Thermal Conductivity (20°C)	45 W/(m·K)
Operating Temperature Range	-50°C to 250°C (continuous use)

Product Specifications

Item	Specification
Surface Finish	Bright annealed (Ra ≤0.2μm), matte (Ra ≤0.8μm), or polished (Ra ≤0.1μm)
Flatness	≤0.05mm/m (for thickness ≤0.5mm); ≤0.1mm/m (for thickness >0.5mm)
Machinability	Excellent (compatible with CNC cutting, stamping, and bending; minimal tool wear)
Weldability	Suitable for TIG/MIG welding and soldering (forms strong, corrosion-resistant joints)
Packaging	Vacuum-sealed in moisture-proof bags with desiccants; wooden spools (for rolls) or cartons (for cut sheets)
Customization	Slitting to narrow widths (≥5mm), cut-to-length pieces, special tempers, or anti-tarnish coating

Typical Applications

Electrical Components: Mid-precision resistors, current shunts, and potentiometer elements—where balanced resistance and cost are critical.

Marine & Coastal Hardware: Boat fittings, valve stems, and sensor housings—resistant to saltwater corrosion without the expense of high-nickel alloys.

Decorative & Architectural: Nameplates, trim for appliances, and architectural accents—silver luster and corrosion resistance eliminate plating needs.

Sensors & Instruments: Thermocouple compensation wires and strain gauge substrates—stable electrical properties ensure measurement accuracy.

Automotive: Connector terminals and small heating elements—combines formability with resistance to underhood humidity.

Huona New Material subjects every batch of CuNi23 strip to rigorous testing, including chemical composition analysis, mechanical property verification, and dimensional inspection. Free samples (100mm×100mm) and material test reports (MTR) are available upon request. Our technical team provides tailored support—such as temper selection for stamping or corrosion protection recommendations—to optimize CuNi23 performance for specific applications.

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：

Verified Supplier 

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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Huona (Shanghai) New Material Co., Ltd.
1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
https://www.nicralloy.com/

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