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CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
Specifications
Brand Name :
Senphus
Model Number :
CuNi19/NC025
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 :
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
Description

CuNi19 NC025 CuNi Alloy with Excellent Mechanical Properties and Corrosion Resistance

CuNi19 NC025 Wire, also known as Copper-Nickron 19 or Copper-Nickel 19, is a copper-nickel alloy containing approximately 19% nickel. This alloy is widely used in various applications that require good corrosion resistance, excellent mechanical properties, and reliable performance in diverse environments. It is a solid solution alloy that provides a good combination of strength, toughness, and resistance to corrosion. CuNi19 NC025 Wire is a versatile copper-nickel alloy with excellent corrosion resistance, especially in seawater and harsh industrial environments. It offers good mechanical properties, thermal conductivity, and weldability, making it an ideal material for applications in marine, chemical processing, heat exchangers, and electrical connectors. Although more expensive than pure copper, its resistance to corrosion and robustness in extreme environments make it a reliable choice for demanding applications.

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

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 CuNi19 NC025 Wire:

  • Composition

Copper (Cu): Approximately 81%, providing excellent electrical and thermal conductivity.

Nickel (Ni): Approximately 19%, enhancing resistance to corrosion and improving the alloy's mechanical properties.

  • Corrosion Resistance

CuNi19 has excellent resistance to seawater, making it ideal for marine environments.

It is also resistant to general corrosion and can withstand exposure to many acids, alkalis, and industrial chemicals, particularly in neutral and mildly acidic environments.

  • Mechanical Properties

The alloy offers a good balance of strength and ductility, making it easy to form and shape for various applications.

It exhibits excellent resistance to stress corrosion cracking, which makes it suitable for use in harsh chemical environments.

  • Thermal and Electrical Conductivity

CuNi19 retains good thermal conductivity and electrical conductivity, though not as high as pure copper.

It maintains its performance in both high and low temperatures, making it useful in a variety of industrial applications.

  • Non-Magnetic Properties

The alloy is non-magnetic, which can be beneficial in certain applications where magnetic interference needs to be avoided.

  • Weldability and Fabrication

CuNi19 is easy to weld and can be formed into various shapes, including wire, sheet, and tubing.

It is also easily machinable and is often used in manufacturing components like fittings, valves, and fasteners.

Applications

  • Marine Applications: Due to its excellent resistance to corrosion in seawater, CuNi19 is often used in marine hardware, heat exchangers, and offshore equipment.
  • Chemical Processing: Used in equipment exposed to aggressive chemicals or environments.
  • Heat Exchangers: Often used in heat exchangers, where resistance to both high temperatures and corrosive environments is crucial.
  • Electrical Contacts and Connectors: Its good electrical conductivity makes it suitable for electrical contacts, connectors, and terminals.
  • Pipelines: Suitable for use in underwater pipelines, particularly in the oil and gas industry.
  • Automotive Components: Common in various automotive applications where corrosion resistance is important.

Resilience in Extreme Environments

  • CuNi19 performs well in high-temperature environments (up to approximately 250°C or 482°F) and can withstand temperature fluctuations and extreme environmental conditions.

Advantages of CuNi19 NC025 Wire:

  • Corrosion Resistance: Excellent performance in seawater, chemicals, and many industrial environments.
  • Strength and Toughness: High mechanical properties allow it to withstand mechanical stresses while maintaining formability.
  • Non-Magnetic: Ideal for applications that require non-magnetic materials.
  • Good Fabrication Properties: Easy to work with in manufacturing processes like welding, machining, and forming.
  • Versatile Applications: Suitable for a broad range of industries, from marine and chemical processing to electrical and automotive industries.

Limitations:

  • Cost: Copper-nickel alloys like CuNi19 can be more expensive than pure copper or other materials due to the nickel content.
  • Lower Electrical Conductivity than Pure Copper: While it maintains good electrical conductivity, CuNi19 does not perform as well as pure copper in highly demanding electrical applications.
  • Strength vs. Pure Copper: The higher strength comes at the cost of reduced conductivity when compared to pure copper, which may limit its use in highly specialized applications where maximum conductivity is required.

CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion ResistanceCuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion ResistanceCuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance

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Product Detail
Brand Name :
Senphus
Model Number :
CuNi19/NC025
Certification :
ISO9001
Place of Origin :
Jiangsu, China
MOQ :
5kg
Payment Terms :
T/T, D/P
Contact Supplier
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CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance
CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance

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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