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CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
Specifications
Brand Name :
Senphus
Model Number :
CuNi30/NC035
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.
Type :
Nickel wire
Application :
Heating,household electrical application
Color :
Silvery White/bright or oxidized
Product name :
CuNi30 NC035 copper nickel wire
Resistivity :
0.35 ±5%
Melting temperature in ℃ :
1170
Min.tensile strength in N/mm² :
400
Elongation :
25
Density :
8.9
Description

CuNi Alloy CuNi30 NC035 The Resilient and Non-Magnetic Alloy for Marine Components and Electronic Applications

CuNi30 NC035 Alloy Wire, also known as Copper-Nickel 30 or CuNi30, is a copper-nickel alloy consisting of approximately 70% copper (Cu) and 30% nickel (Ni). It is valued for its exceptional corrosion resistance, mechanical strength, and thermal stability, making it ideal for various demanding industrial applications, particularly in marine and chemical environments.

CuNi30 NC035 Alloy Wire is a high-performance copper-nickel alloy known for its exceptional corrosion resistance, mechanical strength, and thermal stability. It is particularly well-suited for marine environments, chemical processing equipment, and industrial heat exchangers, where it withstands seawater, aggressive chemicals, and high temperatures. Its non-magnetic properties, biofouling resistance, and long service life make it a reliable choice for demanding applications, despite its relatively higher cost.

Chemical Composition Wt.% % Ni Cu Mn
Min
Max 30 Rest 1

Main physical properties:

Max continuous operating temperature ℃ 350
Resistance temperature coefficient x 10-5/℃(20℃-600℃) <10
Thermovoltage to copper at 20℃ in μV/K -37
Thermal expansion coefficient ×10-6/K(20℃-400℃) 17.0
Thermal conductance at 20℃ W/mK 27
Specific heat capacity at 20℃ J/gK 0.39

Main technical data

Type

CuNi1

NC003

CuNi2

NC005

CuNi4

NC007

CuNi6

NC010

CuNi8

NC012

CuMn3

NC012

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 CuNi30 NC035 Alloy Wire:

  • Composition:

Copper (Cu): ~70%

Nickel (Ni): ~30%

This balance provides a combination of excellent corrosion resistance and high mechanical strength.

  • Corrosion Resistance:

Outstanding resistance to seawater corrosion, including pitting and crevice corrosion, making it ideal for marine environments.

Resistant to chloride stress corrosion cracking.

Performs well in chemical environments, offering resistance to mild acids and alkalis.

Exhibits high resistance to biofouling, reducing maintenance in marine applications.

  • Mechanical Properties:

High Strength and Durability: Excellent yield strength and toughness ensure resistance to mechanical stress and wear.

Work Hardening Capability: Can be strengthened through cold working processes for applications requiring higher strength.

  • Thermal and Electrical Conductivity:

Thermal Conductivity: Good thermal performance makes it suitable for heat exchangers and cooling systems.

Electrical Conductivity: While lower than pure copper, CuNi30 provides sufficient conductivity for applications requiring strength and corrosion resistance.

  • Non-Magnetic Properties:

CuNi30 is non-magnetic, making it suitable for sensitive applications where magnetic interference must be avoided.

  • Temperature Resilience:

Performs well in high-temperature environments, maintaining stability and strength up to approximately 300°C (572°F).

Excellent resistance to temperature fluctuations and extreme conditions.

  • Weldability and Fabrication:

The alloy is easily weldable, with minimal risk of hot cracking or other issues.

Good Formability: Can be fabricated into various forms, including wire, sheets, rods, and tubes.

Applications:

  • Marine Applications: Commonly used in heat exchangers, seawater piping systems, offshore equipment, and shipbuilding due to its resistance to seawater and biofouling.
  • Chemical Processing: Ideal for use in chemical plants, desalination equipment, and pressure vessels exposed to aggressive environments.
  • Electrical Components: Used in electrical connectors, terminals, and resistance wires where corrosion resistance and durability are required.
  • Automotive and Aerospace: Found in components like cooling systems, brake lines, and high-performance parts where strength and corrosion resistance are critical.
  • Industrial Heat Exchangers: Suitable for high-stress and high-temperature environments in oil refineries, power plants, and other industries.

Resistance to Biofouling:

  • Naturally resists marine organism buildup, reducing maintenance needs and increasing the service life of equipment.

Advantages of CuNi30 NC035 Alloy Wire:

  • Exceptional Corrosion Resistance: Performs well in seawater, chlorides, and other aggressive environments.
  • High Strength and Toughness: Can withstand mechanical stresses and demanding conditions.
  • Thermal Stability: Suitable for applications with high temperatures or temperature fluctuations.
  • Non-Magnetic: Useful in applications requiring materials free from magnetic interference.
  • Low Maintenance: Biofouling resistance reduces cleaning and upkeep in marine applications.
  • Versatile Applications: Widely used across marine, chemical, and industrial sectors.

Limitations:

  • Cost: Higher nickel content makes it more expensive compared to alloys with lower nickel percentages or pure copper.
  • Lower Electrical Conductivity: Its conductivity is lower than pure copper, which may limit its use in highly conductive electrical applications.
  • Weight: Slightly heavier than some other materials, which may be a consideration in certain applications.

CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic ApplicationsCuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic ApplicationsCuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications

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Product Detail
Brand Name :
Senphus
Model Number :
CuNi30/NC035
Certification :
ISO9001
Place of Origin :
Jiangsu, China
MOQ :
5kg
Payment Terms :
T/T, D/P
Contact Supplier
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CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications
CuNi CuNi30 NC035 Resilient Non-Magnetic Alloy For Marine Components And Electronic Applications

Jiangyin Chengxin Alloy Material Co., Ltd ，

Verified Supplier
1 Years
jiangsu, changzhou
Since 2003
Business Type :
Manufacturer, Exporter, Seller
Main Products :
Pure Nickel Metal, NiCr Alloy, CuNi Alloy
Total Annual :
230000000-240000000
Employee Number :
1400~1500
Certification Level :
Verified Supplier
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