MachineU > China Products > Tools & Hardware > Welding & Soldering Supplies > Welding Wires
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
Specifications
Brand Name :
Senphus
Model Number :
CuNi23/NC030
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 :
CuNi23 NC030 copper nickel wire
Resistivity :
0.30 ±5%
Melting temperature in ℃ :
1150
Min.tensile strength in N/mm2 :
350
Elongation :
25
Density :
8.9
Description

CuNi23 NC030 Alloy The Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments

CuNi23 NC030 Alloy Wire is a copper-nickel alloy composed of approximately 23% nickel and 77% copper. This alloy offers a unique combination of strength, corrosion resistance, and thermal conductivity, which makes it suitable for a wide variety of applications, particularly in environments that require excellent resistance to seawater, chemicals, and high temperatures.

CuNi23 NC030 Alloy Wire is a highly versatile copper-nickel alloy with excellent corrosion resistance and mechanical properties, especially in marine, chemical, and high-temperature environments. Its strength, corrosion resistance, and thermal conductivity make it suitable for applications in heat exchangers, marine hardware, chemical processing, and electrical components. Though more expensive than pure copper, its performance in harsh environments justifies the cost for critical applications. CuNi23 is ideal for industries requiring a durable material that can withstand both chemical exposure and mechanical stress, offering long-term reliability in demanding conditions.

Chemical Composition Wt.% % Ni Cu Mn
Min
Max 23 Rest 0.5

Main physical properties:

Max continuous operating temperature ℃ 300
Resistance temperature coefficient x10-5/℃(20℃-600℃) <16
Thermovoltage to copper at 20℃ in μV/K -34
Thermal expansion coefficient×10-6/K(20℃-400℃) 17.5
Thermal conductance at 20℃ W/mK 33
Specific heat capacity at 20℃ J/gK 0.38

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 CuNi23 NC030 Alloy Wire:

  • Composition:

Copper (Cu): Approximately 77%.

Nickel (Ni): Approximately 23%, which significantly improves the alloy's resistance to corrosion, especially in marine environments.

  • Corrosion Resistance:

Excellent Seawater Resistance: CuNi23 is highly resistant to corrosion in seawater, making it ideal for marine environments and offshore applications.

Chemical Resistance: This alloy exhibits good resistance to mild acids, alkalis, and chemical solutions, and is often used in chemical processing equipment exposed to aggressive environments.

Stress Corrosion Cracking Resistance: CuNi23 performs well in environments where stress corrosion cracking is a concern, especially in chloride-rich environments like seawater.

  • Mechanical Properties:

Good Strength and Toughness: CuNi23 offers a high yield strength and good toughness, ensuring the alloy can withstand mechanical stress and pressure without failure.

Work Hardening: The alloy can be strengthened by cold working, making it suitable for applications requiring strong, durable materials.

Formability: It is relatively easy to form and weld, making it versatile for various manufacturing processes.

  • Thermal and Electrical Conductivity:

Moderate Electrical Conductivity: While not as conductive as pure copper, CuNi23 maintains a good level of electrical conductivity, which is suitable for many applications that require reliable electrical performance.

Thermal Conductivity: Offers good thermal conductivity and can maintain stable thermal performance in both high- and low-temperature environments.

  • Non-Magnetic Properties:

CuNi23 is non-magnetic, making it ideal for use in environments or applications where magnetic interference is a concern.

  • Weldability and Fabrication:

The alloy is easily weldable and can be fabricated into a wide variety of shapes, such as wire, sheet, and tubes.

Machinability: It has good machinability and is often used in industries where components need to be formed into precise shapes.

Applications:

  • Marine and Offshore: CuNi23 is extensively used in marine environments, including heat exchangers, shipbuilding, desalination plants, and offshore oil rigs due to its resistance to seawater corrosion.
  • Chemical and Petrochemical Industries: Common in heat exchangers, piping systems, and other components exposed to aggressive chemicals.
  • Electrical Applications: Suitable for electrical contacts, terminals, and other components requiring good electrical conductivity but also needing strength and corrosion resistance.
  • Automotive Components: Used in components that require high strength and resistance to corrosion, such as radiators and cooling systems.
  • Industrial Heat Exchangers: CuNi23 is often found in industrial equipment such as cooling systems and radiators due to its combination of thermal conductivity and corrosion resistance.

Resilience in Extreme Environments:

  • This alloy performs well in both high- and low-temperature environments, withstanding temperature fluctuations without losing its integrity. It can operate efficiently in temperatures up to approximately 300°C (572°F).

Advantages of CuNi23 NC030 Alloy Wire:

  • Corrosion Resistance: Excellent resistance to corrosion in seawater, chemical environments, and high temperatures.
  • High Strength and Durability: Good mechanical properties, including strength, toughness, and the ability to withstand stress corrosion.
  • Non-Magnetic: Useful in sensitive applications where magnetic properties could interfere.
  • Good Thermal Conductivity: Performs well in heat exchangers and thermal applications.
  • Weldability and Machinability: Easy to work with, making it versatile in a variety of industrial applications.
  • Long-Term Performance: CuNi23 offers a long service life, especially in harsh marine and industrial conditions.

Limitations of CuNi23 NC030 Alloy Wire:

  • Lower Electrical Conductivity: While suitable for many electrical applications, CuNi23 does not offer the same level of conductivity as pure copper.
  • Cost: Copper-nickel alloys like CuNi23 can be more expensive than pure copper or other alloys, which may limit their use in cost-sensitive applications.
  • Limited High-Temperature Capability: Though it has good thermal properties, CuNi23 may not perform as well in very high-temperature applications (above 300°C) compared to some other specialized alloys.

CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial EnvironmentsCuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial EnvironmentsCuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments

Send your message to this supplier
Send Now

CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments

Ask Latest Price
Watch Video
Product Detail
Brand Name :
Senphus
Model Number :
CuNi23/NC030
Certification :
ISO9001
Place of Origin :
Jiangsu, China
MOQ :
5kg
Payment Terms :
T/T, D/P
Contact Supplier
video
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments
CuNi23 NC030 Alloy Perfect Combination of Strength Durability and Corrosion Resistance for Industrial Environments

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
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products CuNi Alloy
MachineU China Products Tools & Hardware Welding & Soldering Supplies Welding Wires
Contact Supplier
Submit Requirement