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China factories

China factory - Jiangyin Chengxin Alloy Material Co., Ltd ，

Jiangyin Chengxin Alloy Material Co., Ltd ，

  • China,Changzhou ,Jiangsu
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  3. CuNi Alloy Wire CuNi19 NC025 High Strength For Industrial Applications
China CuNi Alloy Wire CuNi19 NC025 High Strength For Industrial Applications
China CuNi Alloy Wire CuNi19 NC025 High Strength For Industrial Applications

  1. China CuNi Alloy Wire CuNi19 NC025 High Strength For Industrial Applications
  2. China CuNi Alloy Wire CuNi19 NC025 High Strength For Industrial Applications
  3. China CuNi Alloy Wire CuNi19 NC025 High Strength For Industrial Applications

CuNi Alloy Wire CuNi19 NC025 High Strength For Industrial Applications

  1. MOQ： 5kg
  2. Price：
  3. Get Latest Price
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 CuNi19 NC025 copper nickel wire
Resistivity 0.25 ±5%
Melting temperature in ℃ 1135
Min.tensile strength in N/mm² 340
Elongation 25
Density 8.9
Brand Name Senphus
Model Number CuNi19/NC025
Place of Origin Jiangsu, China
Certification ISO9001

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  1. Product Details
  2. Company Details

Product Specification

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 CuNi19 NC025 copper nickel wire
Resistivity 0.25 ±5% Melting temperature in ℃ 1135
Min.tensile strength in N/mm² 340 Elongation 25
Density 8.9 Brand Name Senphus
Model Number CuNi19/NC025 Place of Origin Jiangsu, China
Certification ISO9001
High Light High Strength CuNi Alloy Wire ，Industrial Applications CuNi Alloy Wire ，NC025 CuNi Alloy Wire

CuNi Alloy Wire CuNi19 NC025 High Strength for Industrial Applications

 

CuNi19 is a copper-nickel alloy containing approximately 81% copper and 19% nickel, with small amounts of iron and manganese for enhanced properties. It is renowned for its exceptional corrosion resistance, particularly in seawater and other aggressive environments, and offers excellent resistance to biofouling, stress corrosion cracking, and erosion.

 

This alloy has high mechanical strength, good ductility, and performs well at elevated temperatures, making it ideal for demanding applications. It also has good thermal conductivity, moderate electrical conductivity, and excellent durability, ensuring reliable performance in harsh conditions.

 

Chemical Composition Wt.

% Ni Mn Cu

MIN.

      
MAX. 19 0.5 Rest

 

 

Main physical properties:

Max continuous operating temperature ℃ 300
Resistance temperature coefficient x 10-5/℃(20℃-600℃) <25
Thermovoltage to copper at 20℃ in μV/K -32
Thermal expansion coefficient ×10-6/K(20℃-400℃) 17.5
Thermal conductance at 20℃ W/mK 38
Specific heat capacity at 20℃ J/gK 0.38

 

 

Some key features of CuNi19 include:

  1. Exceptional Corrosion Resistance:

    • High resistance to seawater corrosion, making it ideal for marine and offshore applications.
    • Resistant to stress corrosion cracking, pitting, and erosion in aggressive environments.

  2. Biofouling Resistance:

    • Natural resistance to biofouling minimizes maintenance in marine applications.

  3. High Mechanical Strength:

    • Offers excellent strength, making it suitable for load-bearing and high-pressure systems.

  4. Good Ductility:

    • Retains good ductility for ease of fabrication, welding, and forming into complex shapes.

  5. Thermal Stability:

    • Performs well under high-temperature conditions, making it suitable for power plants and heat exchangers.

  6. Thermal Conductivity:

    • Good heat transfer properties, ideal for heat exchanger tubes, condensers, and cooling systems.

  7. Moderate Electrical Conductivity:

    • Sufficient for applications such as electrical connectors and resistive elements.

  8. Durability:

    • Long-lasting in harsh conditions, including marine, chemical, and industrial environments.

  9. Resistance to Erosion and Abrasion:

    • Performs well in high-velocity seawater and abrasive conditions, reducing material wear.

  10. Ease of Fabrication and Maintenance:

    • Excellent machinability, weldability, and low maintenance requirements over its lifespan.

These features make CuNi19 an ideal material for demanding applications in marine engineering, power generation, chemical processing, and desalination systems.

 

Applications:

1. Marine and Offshore Applications

  • Seawater Piping Systems: Pipes, valves, and fittings for cooling, ballast water, and seawater intakes.
  • Heat Exchangers: Tubing in marine environments, power plants, and desalination systems.
  • Shipbuilding: Structural elements, cladding, and hull components exposed to seawater and biofouling.
  • Marine Hardware: Fasteners, connectors, and other equipment used in saltwater conditions.

2. Power Generation

  • Condensers and Coolers: Tubing in power plants exposed to saline or brackish water.
  • Nuclear Power Plants: Components in cooling systems due to the alloy's high resistance to corrosion and erosion.

3. Chemical and Petrochemical Industries

  • Process Equipment: Heat exchangers, reactors, and piping exposed to aggressive chemicals and elevated temperatures.
  • Storage Tanks: For corrosive liquids and gases.

4. Electronics

  • Electrical Components: Connectors and resistive wires due to moderate electrical conductivity and durability.

5. Desalination Plants

  • Evaporators and Condensers: Used in desalination systems for their resistance to saline water and heat.

6. Architectural Applications

  • Cladding and Roofing: In coastal buildings requiring resistance to saltwater corrosion.

7. Industrial Applications

  • Industrial Heat Exchangers: Used in various industries requiring reliable heat transfer in corrosive environments.

CuNi19’s high corrosion resistance, strength, and thermal stability make it a trusted choice for demanding applications in marine, industrial, and power sectors.

 

 

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

 

 

 

 

 

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2003

  • Total Annual:

    230000000-240000000

  • Employee Number:

    1400~1500

  • Ecer Certification：

    Verified Supplier

Company Overview: Jiangyin Chengxin Alloy Material Co., Ltd has more than 20 years of experience as the lead.ing alloy wire manufacturer in China. We offer a wide range of services from fine wire drawing toresistance wire manufacturing. Since the beginning, our specialty has been the quality and pre... Company Overview: Jiangyin Chengxin Alloy Material Co., Ltd has more than 20 years of experience as the lead.ing alloy wire manufacturer in China. We offer a wide range of services from fine wire drawing toresistance wire manufacturing. Since the beginning, our specialty has been the quality and pre...

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Get in touch with us

  • Reach Us
  • Jiangyin Chengxin Alloy Material Co., Ltd ，
  • Building 3, No. 29, Beitanghe East Road, Qinglong Street, Tianning District, Changzhou City, Jiangsu Province
  • https://www.heatingalloywire.com/

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