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

Jiangyin Chengxin Alloy Material Co., Ltd ，

  • China,Changzhou ,Jiangsu
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  3. Corrosion-Resistant CuNi Alloy CuNi30 NC035 For Seawater Cooling Systems
China Corrosion-Resistant CuNi Alloy CuNi30 NC035 For Seawater Cooling Systems
China Corrosion-Resistant CuNi Alloy CuNi30 NC035 For Seawater Cooling Systems

  1. China Corrosion-Resistant CuNi Alloy CuNi30 NC035 For Seawater Cooling Systems
  2. China Corrosion-Resistant CuNi Alloy CuNi30 NC035 For Seawater Cooling Systems
  3. China Corrosion-Resistant CuNi Alloy CuNi30 NC035 For Seawater Cooling Systems

Corrosion-Resistant CuNi Alloy CuNi30 NC035 For Seawater Cooling Systems

  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 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
Brand Name Senphus
Model Number CuNi30/NC035
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 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 Brand Name Senphus
Model Number CuNi30/NC035 Place of Origin Jiangsu, China
Certification ISO9001
High Light Corrosion-Resistant CuNi Alloy ，Seawater Cooling Systems CuNi Alloy ，NC035 CuNi Alloy

Corrosion-Resistant CuNi Alloy CuNi30 NC035 for Seawater Cooling Systems

 

CuNi30 is a copper-nickel alloy composed of approximately 70% copper and 30% nickel, offering a range of desirable properties for demanding applications. Its excellent corrosion resistance, especially in marine environments and seawater, makes it ideal for offshore structures, shipbuilding, and seawater cooling systems. The high nickel content enhances the alloy's oxidation resistance, mechanical strength, and durability.

 

CuNi30 also boasts good resistance to erosion and cavitation, making it suitable for marine hardware like propellers and pumps. The alloy offers good thermal conductivity and performs well in high-temperature environments, such as in heat exchangers and industrial systems. It is non-magnetic, which is important for electrical components and sensitive instrumentation.

 

In addition, CuNi30 is highly workable, allowing for easy welding, machining, and forming into a variety of shapes. Overall, CuNi30 combines strength, corrosion resistance, and versatility, making it ideal for marine, industrial, and electrical applications that require reliable, long-lasting performance.

 

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

 

 

Some key features of CuNi30 include:

1. Excellent Corrosion Resistance

  • CuNi30 provides outstanding resistance to corrosion, especially in saltwater and marine environments, making it ideal for use in seawater cooling systems, shipbuilding, and offshore structures.

2. High Nickel Content

  • The 30% nickel content in CuNi30 significantly enhances its corrosion resistance, oxidation resistance, and mechanical strength, compared to pure copper. It is particularly effective in resisting biofouling and rust.

3. Good Mechanical Strength

  • CuNi30 offers strong tensile strength and mechanical properties, allowing it to withstand significant stress and mechanical forces in demanding applications. This makes it suitable for marine hardware, piping systems, and other structural components.

4. Resistant to Erosion and Cavitation

  • The alloy is highly resistant to erosion and cavitation, making it suitable for marine components such as propellers, pumps, and valves that are exposed to turbulent or high-velocity water flow.

5. Good Thermal Conductivity

  • While not as conductive as pure copper, CuNi30 still offers good thermal conductivity, which is beneficial for applications like heat exchangers, cooling systems, and temperature regulation in industrial processes.

6. Non-Magnetic

  • CuNi30 is non-magnetic, which is essential for electrical components and sensitive instrumentation where magnetic interference could disrupt functionality. This makes it valuable in electronic devices and marine instrumentation.

7. Workability and Fabrication

  • CuNi30 is highly malleable, ductile, and can be easily welded, machined, and formed into a variety of shapes such as pipes, tubes, fittings, and valves. It is ideal for custom fabrication in complex industrial and marine applications.

8. High-Temperature Resistance

  • The alloy performs well under high temperatures, maintaining its mechanical properties and corrosion resistance even in extreme conditions. It is suitable for industrial systems, gas turbines, and heat exchangers that operate in high-heat environments.

9. Electrical Conductivity

  • While it has lower electrical conductivity than pure copper, CuNi30 still provides adequate conductivity for applications like electrical contacts and resistors, especially when corrosion resistance is prioritized over maximum conductivity.

 

Applications:

  • Marine: Seawater cooling systems, shipbuilding, offshore structures, propellers, marine pumps, and heat exchangers.
  • Industrial: Piping systems, valves, fittings, heat exchangers, and cooling systems exposed to harsh conditions.
  • Electrical: Electrical contacts, resistors, and electrical components where corrosion resistance is important.
  • Aerospace & Automotive: High-temperature components, gas turbines, heat shields, and other applications requiring durability and resistance to thermal stress.

CuNi30 is a versatile and durable copper-nickel alloy that excels in corrosion resistance, mechanical strength, and thermal properties, making it suitable for a wide range of demanding applications. Its resistance to erosion and cavitation, along with workability and high-temperature performance, make it ideal for marine, industrial, and electrical applications where long-lasting reliability is required.

 

 

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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