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CuNi1 NC003 Best Solution For Corrosion Resistance And Electrical Conductivity In Marine And Electrical Applications

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CuNi1 NC003 Best Solution For Corrosion Resistance And Electrical Conductivity In Marine And Electrical Applications

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Brand Name : Senphus

Model Number : CuNi1/NC003

Certification : ISO9001

Place of Origin : Jiangsu, China

MOQ : 5kg

Payment Terms : T/T, D/P

Supply Ability : 30 Tons per day

Delivery Time : 3 days

Packaging Details : Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated.

Name : CuNi1/NC003

Type : Nickel wire

Application : Heating,household electrical application

Color : Silvery White/bright or oxidized

Max.continuous operating temperature℃ : 200

Resistivity : 0.03 ±10%

Melting temperature in ℃ : 1085

Min.tensile strength in N/mm2 : 210

Elongation : 25

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CuNi1 NC003 The Best Solution for Corrosion Resistance and Electrical Conductivity in Marine and Electrical Applications

CuNi1 NC003 Copper-Nickel Alloy Wire is a copper-nickel alloy that contains approximately 1% nickel, with the balance being copper. It is known for its excellent corrosion resistance, high thermal and electrical conductivity, and good mechanical properties, making it suitable for various industrial applications, particularly where moderate corrosion resistance and electrical conductivity are required. CuNi1 NC003 Copper-Nickel Alloy Wire is a versatile and corrosion-resistant material, ideal for applications requiring moderate strength, high electrical conductivity, and excellent resistance to seawater corrosion. With its broad use in marine applications, electrical systems, heat exchangers, and industrial equipment, CuNi1 offers a good balance of performance and cost-effectiveness for industries where corrosion resistance and thermal/electrical conductivity are key requirements. While its strength at extreme temperatures is not as high as other high-temperature alloys, it remains a reliable material for a variety of applications.

Main technical data

Type CuNi1 NC003 CuNi2 NC005 CuNi4 NC007 CuNi6 NC010 CuNi8 NC012 CuMn3 MC012 CuNi10 NC015 CuNi14 NC020 CuNi19 NC025 CuNi23 NC030 CuNi30 NC035 CuNi34 NC040 CuNi44 NC050
Composition(%) Cu Rest Rest Rest Rest Rest Rest Rest Rest Rest Rest Rest Rest Rest
Mn / / / / / 3 / 0.3 0.5 0.5 1.0 1.0 1.0
Ni 1 2 4 6 8 　 10 14.2 19 23 30 34 44
Max.continuous operating temperature(℃) 200 200· 200 220 250 200 250 300 300 300 350 350 400
Resistivity at 20℃(μ m) 0.03
±10%		 0.05
±10%		 0.07
±10%		 0.10
±10%		 0.12
±10%		 0.12
±10%		 0.15
±10%		 0.20
±5%		 0.25
±5%		 0.30
±5%		 0.35
±5%		 0.40
±5%		 0.49
±5%
Resisitance-temperature coefficient 20-600℃ (×10-5/℃) ＜ 100 ＜ 120 ＜ 50 ＜ 60 ＜ 57 ＜ 38 ＜ 50 ＜ 38 ＜ 25 ＜ 16 ＜ 10 ＜ -0 ＜ -6
Thermovoltage to
copper at 20℃ in (μV/K)		 -8 -12 -12 -18 -22 1 -25 -28 -32 -34 -37 -39 -43
Mean coefficient of linear thermal expansion, in (10-6/K) , at a temperature between 20 ℃ and 400 ℃ 17.5 17.5 17.5 17.5 17.5 18 17.5 17.5 17.5 17.5 17.0 16.0 15.0
Thermal conductance
at 20℃ (W/mK)		 145 130 130 92 75 84 59 48 38 33 27 25 23
Specific heat capacity at 20℃ in (20℃ J/gK) 0.38 0.38 0.38 0.38 0.38 0.39 0.38 0.38 0.38 0.38 0.39 0.40 0.41
Density at 20 ℃(g/cm3) 8.9 8.9 8.9 8.9 8.9 8.8 8.9 8.9 8.9 8.9 8.9 8.9 8.9
Melting temperature in (℃) 1085 1090 1090 1095 1097 1050 1100 1115 1135 1150 1170 1180 1280
Min.tensile strength in (N/mm2) 210 220 220 250 270 290 290 310 340 350 400 400 420
Elongation(%) 25 25 25 25 25 25 25 25 25 25 25 25 25

Technical data table

Diameter(mm) NC003 CuNi1 NC005 CuNi2 NC007 CuNi4 NC010 CuNi6 NC012 CuNi8 NC015 CuNi10 NC020 CuNi14 NC025 CuNi19 NC030 CuNi23 NC035 CuNi30 NC040 CuNi34 NC050 CuNi44
0.10 3.82 6.36 8.91 12.73 15.28 19.09 25.46 31.83 38.19 44.56 50.93 62.39
0.11 3.16 5.26 7.37 10.52 12.63 15.78 21.04 26.30 31.56 36.82 42.09 51.56
0.12 2.65 4.42 6.19 8.84 10.61 13.26 17.68 22.10 26.52 30.94 35.37 43.33
0.13 2.26 3.76 5.27 7.53 9.04 11.30 15.07 18.83 22.60 26.36 30.14 36.92
0.14 1.95 3.24 4.55 6.49 7.80 9.74 12.99 16.24 19.48 22.73 25.98 31.83
0.15 1.70 2.82 3.96 5.65 6.79 8.48 11.31 14.14 16.97 19.80 22.64 27.73
0.16 1.49 2.48 3.48 4.97 5.97 7.46 9.95 12.43 14.92 17.40 19.89 24.37
0.17 1.32 2.20 3.08 4.40 5.29 6.60 8.81 11.01 13.21 15.41 17.62 21.59
0.18 1.18 1.96 2.75 3.92 4.72 5.89 7.86 9.82 11.78 13.75 15.72 19.26
0.19 1.06 1.76 2.47 3.52 4.23 5.29 7.05 8.81 10.58 12.34 14.11 17.28
0.20 0.95 1.59 2.23 3.18 3.82 4.77 6.36 7.95 9.54 11.14 12.73 15.60
0.21 0.87 1.44 2.02 2.88 3.46 4.33 5.77 7.21 8.66 10.10 11.55 14.15
0.22 0.79 1.31 1.84 2.63 3.16 3.94 5.26 6.57 7.89 9.20 10.52 12.89
0.23 0.72 1.20 1.68 2.40 2.89 3.61 4.81 6.01 7.22 8.42 9.63 11.79
0.24 0.66 1.10 1.55 2.21 2.65 3.31 4.42 5.52 6.63 7.73 8.84 10.83
0.25 0.61 1.01 1.43 2.03 2.44 3.05 4.07 5.09 6.11 7.13 8.15 9.98
0.26 0.57 0.94 1.32 1.88 2.26 2.82 3.77 4.70 5.65 6.59 7.53 9.23
0.27 0.52 0.87 1.22 1.74 2.10 2.61 3.49 4.36 5.23 6.11 6.99 8.56
0.28 0.49 0.81 1.14 1.62 1.95 2.43 3.25 4.06 4.87 5.68 6.50 7.96
0.29 0.45 0.75 1.06 1.51 1.82 2.27 3.03 3.78 4.54 5.29 6.06 7.42
0.30 0.42 0.70 0.99 1.41 1.70 2.12 2.83 3.53 4.24 4.95 5.66 6.93
0.31 0.40 0.66 0.93 1.32 1.59 1.98 2.65 3.31 3.97 4.63 5.30 6.49
0.32 0.37 0.62 0.87 1.24 1.49 1.86 2.49 3.11 3.73 4.35 4.97 6.09
0.33 0.35 0.58 0.82 1.17 1.40 1.75 2.34 2.92 3.51 4.09 4.68 5.73
0.34 0.33 0.55 0.77 1.10 1.32 1.65 2.20 2.75 3.30 3.85 4.41 5.40
0.35 0.31 0.51 0.73 1.03 1.25 1.55 2.08 2.60 3.11 3.63 4.16 5.09
0.36 0.29 0.49 0.69 0.98 1.18 1.47 1.96 2.46 2.94 3.43 3.93 4.81
0.37 0.28 0.46 0.65 0.93 1.12 1.39 1.86 2.33 2.79 3.25 3.72 4.56
0.38 0.26 0.44 0.62 0.88 1.06 1.32 1.76 2.20 2.64 3.08 3.53 4.32
0.40 0.24 0.39 0.56 0.79 0.95 1.19 1.59 1.99 2.38 2.78 3.18 3.90
0.41 0.23 0.37 0.53 0.76 0.91 1.13 1.51 1.89 2.27 2.65 3.03 3.71
0.42 0.22 0.36 0.51 0.72 0.87 1.08 1.44 1.80 2.16 2.52 2.89 3.54
0.43 0.21 0.34 0.48 0.69 0.83 1.03 1.38 1.72 2.06 2.41 2.75 3.37
0.44 0.20 0.32 0.46 0.66 0.79 0.98 1.31 1.64 1.97 2.30 2.63 3.22
0.45 0.19 0.31 0.44 0.63 0.75 0.94 1.26 1.57 1.88 2.20 2.52 3.08
0.46 0.18 0.30 0.42 0.60 0.72 0.90 1.20 1.50 1.80 2.10 2.41 2.95
0.47 0.17 0.28 0.40 0.58 0.69 0.86 1.15 1.44 1.72 2.01 2.31 2.82
0.48 0.17 0.27 0.39 0.55 0.66 0.82 1.10 1.38 1.65 1.93 2.21 2.71
0.49 0.16 0.26 0.37 0.53 0.64 0.79 1.06 1.33 1.59 1.85 2.12 2.60
0.50 0.15 0.25 0.36 0.51 0.61 0.76 1.01 1.27 1.52 1.78 2.04 2.50
0.51 0.15 0.24 0.34 0.49 0.59 0.73 0.98 1.22 1.46 1.71 1.96 2.40
0.52 0.14 0.23 0.33 0.47 0.57 0.70 0.94 1.18 1.41 1.65 1.88 2.31
0.53 0.14 0.22 0.32 0.45 0.54 0.67 0.91 1.13 1.35 1.59 1.81 2.22
0.54 0.13 0.22 0.31 0.44 0.52 0.65 0.87 1.09 1.30 1.53 1.75 2.14
0.55 0.13 0.21 0.29 0.42 0.51 0.63 0.84 1.05 1.26 1.47 1.68 2.06
0.56 0.12 0.20 0.28 0.41 0.49 0.60 0.81 1.02 1.21 1.42 1.62 1.99
0.57 0.12 0.19 0.27 0.39 0.47 0.58 0.78 0.98 1.17 1.37 1.57 1.92
0.58 0.11 0.19 0.27 0.38 0.45 0.56 0.76 0.95 1.13 1.32 1.51 1.85
0.59 0.11 0.18 0.26 0.37 0.44 0.54 0.73 0.91 1.09 1.28 1.46 1.79
0.60 0.11 0.18 0.25 0.35 0.42 0.53 0.71 0.88 1.06 1.24 1.41 1.73
  • Tolerance of ohm/m: ±5%
  • Round wire: range from 0.04mm (0.0016″) to 12mm (0.4724″)
  • Ribbon: range from 0.05mm (0.002″) to 6mm (0.2362″), Max ratio width : thickness = 10:1

Key Features of CuNi1:

  • Composition:
  1. Copper (Cu): Predominantly 99% copper, offering excellent thermal and electrical conductivity.
  2. Nickel (Ni): 1% nickel, enhancing the alloy's corrosion resistance and strength, especially in marine and high-temperature environments.
  3. Other Elements: Small amounts of other elements (such as manganese, silicon, and iron) may be present, which contribute to the alloy's overall strength, workability, and resistance to oxidation.
  • Corrosion Resistance:
  1. Marine and Freshwater Resistance: CuNi1 has excellent resistance to seawater corrosion, making it highly suitable for marine applications, such as boat parts, shipbuilding, and offshore installations.
  2. Resistant to Fouling and Erosion: The alloy also resists biofouling, oxidation, and scaling in high-temperature aqueous environments, which is important for heat exchangers and other industrial applications exposed to water.
  3. High Resistance to Corrosion in Chemical Environments: The presence of nickel enhances the corrosion resistance of the alloy in a variety of chemical environments, especially in mild acidic or alkaline conditions.
  • Mechanical Properties:
  1. Strength and Ductility: CuNi1 alloy offers a good combination of strength and ductility, making it suitable for manufacturing wires, tubes, and rods that need to retain strength under stress while maintaining formability.
  2. Workability: It has good cold-working and hot-working properties, allowing it to be easily drawn, extruded, or formed into different shapes for various industrial applications.
  3. Fatigue Resistance: CuNi1 provides good resistance to fatigue and mechanical stress, making it suitable for use in environments where vibration or thermal cycling may occur.
  • Electrical and Thermal Conductivity:
  1. High Electrical Conductivity: Being primarily copper, CuNi1 alloy offers high electrical conductivity, making it ideal for applications like electrical cables, connectors, and wires in electrical systems.
  2. Good Thermal Conductivity: The alloy also offers good thermal conductivity, which is essential in applications where heat transfer is critical, such as in heat exchangers and cooling systems.
  • Weldability and Fabrication:
  1. Weldability: CuNi1 is generally easy to weld using conventional welding methods like TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas) welding, although careful heat control is necessary to avoid issues with grain growth or other defects during the welding process.
  2. Fabrication: The alloy can be easily processed into various forms, including wire, strip, sheet, and tube, making it versatile for a wide range of industrial uses.

Applications of CuNi1:

  • Marine Applications: Due to its resistance to seawater corrosion, it is widely used in marine hardware, shipbuilding, heat exchangers, valves, and pipes exposed to seawater or brine.
  • Electrical Components: Wires and cables for electrical transmission and connectors in both marine and industrial applications where high conductivity and corrosion resistance are required.
  • Heat Exchangers and Cooling Systems: Used in heat exchangers, condensers, and cooling systems due to its good thermal conductivity and corrosion resistance in water environments.
  • Industrial Equipment: Commonly used in chemical processing, food processing equipment, and other industries requiring components with both strength and corrosion resistance.
  • Plumbing Systems: Can be found in plumbing systems where its combination of strength and resistance to corrosion is advantageous.

Advantages of CuNi1 NC003 Copper-Nickel Alloy Wire:

  • Excellent Corrosion Resistance: Especially in marine and freshwater environments, providing longevity and reliability for parts exposed to corrosive conditions.
  • Good Strength and Ductility: Provides a balance of mechanical strength and ductility, making it easy to form into various shapes and designs while maintaining its structural integrity.
  • High Thermal and Electrical Conductivity: Ideal for heat exchangers and electrical systems that require efficient heat transfer and low resistance.
  • Versatility: Can be used in a wide range of industries, including marine, electrical, chemical, and industrial equipment manufacturing.
  • Fabrication-Friendly: Easy to process, form, and weld into various shapes, making it a versatile material for manufacturing applications.

CuNi1 NC003 Best Solution For Corrosion Resistance And Electrical Conductivity In Marine And Electrical ApplicationsCuNi1 NC003 Best Solution For Corrosion Resistance And Electrical Conductivity In Marine And Electrical ApplicationsCuNi1 NC003 Best Solution For Corrosion Resistance And Electrical Conductivity In Marine And Electrical Applications


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