Name: CuNi4NC007C7215020842 Copper Nickel Alloy Wire With Good Mechanical Properties In Heat Exchangers
Brand: Senphus
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CuNi4/NC007/C72150/2.0842 Copper Nickel Alloy Wire With Good Mechanical Properties In Heat Exchangers

Brand Name:Senphus

Certification:ISO9001

Model Number:CuNi4/NC007/C72150/2.0842

Minimum Order Quantity:5kg

Delivery Time:3 days

Payment Terms:T/T, D/P

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Jiangyin Chengxin Alloy Material Co., Ltd ，

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Location: Changzhou Jiangsu China

Address: Building 3, No. 29, Beitanghe East Road, Qinglong Street, Tianning District, Changzhou City, Jiangsu Province

Supplier`s last login times: within 26 hours

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Product Details

CuNi4/NC007/C72150/2.0842 Copper-Nickel Alloy Wire With Good Mechanical Properties In Heat Exchangers

CuNi4 NC007 C72150 2.0842 Copper-Nickel Alloy Wire is a copper-nickel alloy with 4% nickel content and the balance being copper. This alloy combines the excellent electrical and thermal conductivity of copper with the increased corrosion resistance and strength provided by the addition of nickel. The alloy is commonly used in marine, chemical processing, and industrial applications, where enhanced corrosion resistance and mechanical properties are essential. CuNi4 NC007 C72150 2.0842 Copper-Nickel Alloy Wire is a versatile and corrosion-resistant material with 4% nickel content, offering a balance of corrosion resistance, electrical conductivity, and mechanical properties. It is particularly suited for marine applications exposed to seawater and cooling systems, as well as electrical and thermal transfer applications. The alloy's strength, ductility, and resistance to biofouling make it ideal for a wide range of industries, including chemical processing, heat exchangers, and marine hardware. However, its performance may be limited in extremely acidic environments and at high temperatures compared to more specialized alloys.

GB	ISO	ASTM	DIN/EN
CuNi4/NC007	CuNi44Mn1	C72150	2.0842

Main physical properties:

Max continuous operating temperature ℃

200

Resistance temperature coefficient x 10^-5/℃(20℃-600℃)

<50

Thermovoltage to copper at 20℃ in μV/K

-12

Thermal expansion coefficient ×10^-6/K(20℃-400℃)

17.5

Thermal conductance at 20℃ W/mK

130

Specific heat capacity at 20℃ J/gK

0.38

Some key features of CuNi-4 include:

Composition:

Copper (Cu): 96% (provides superior thermal conductivity, electrical conductivity, and ductility).

Nickel (Ni): 4% (improves corrosion resistance, especially in seawater, and enhances mechanical strength).

Iron (Fe), Manganese (Mn): Trace elements that contribute to strength, workability, and resistance to wear.

Corrosion Resistance:

Marine and Seawater Resistance: The 4% nickel content significantly enhances the alloy's resistance to corrosion in seawater, making it ideal for marine applications such as seawater pipes, heat exchangers, and cooling systems.

Chemical Resistance: CuNi4 alloy also demonstrates good resistance to mild acidic and alkaline environments, making it suitable for chemical processing and industrial piping.

Biofouling Resistance: This alloy resists biofouling (growth of marine organisms on surfaces), which is crucial for components exposed to water.

Mechanical Properties:

Strength and Ductility: CuNi4 alloy offers a good combination of strength and ductility, allowing it to be formed into wires, tubes, and rods without compromising its performance. The nickel content improves its tensile strength and creep resistance at high temperatures.

Fatigue Resistance: The material performs well in environments that experience thermal cycling and vibration. It is ideal for parts exposed to repetitive mechanical stress and temperature variations.

Workability: CuNi4 has good cold-working and hot-working properties, enabling it to be processed into a variety of shapes such as wire, strip, and tube.

Electrical and Thermal Conductivity:

High Electrical Conductivity: As a copper-based alloy, CuNi4 offers excellent electrical conductivity, making it suitable for wires, cables, and electrical connectors in power generation and distribution applications.

Thermal Conductivity: It also provides good thermal conductivity, which is important for applications requiring efficient heat transfer, such as heat exchangers, radiators, and cooling systems.

Weldability and Fabrication:

Weldability: CuNi4 alloy can be easily welded using standard methods, such as TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas) welding. It requires careful heat control to avoid oxidation and ensure the integrity of the welded joints.

Formability: The alloy is easily formed into various shapes, including wires, rods, and tubes, making it highly versatile for different industrial applications.

Applications:

Marine Industry: Used in seawater cooling systems, heat exchangers, marine hardware, and offshore platforms due to its exceptional resistance to seawater corrosion.
Electrical Applications: Ideal for electrical cables, connectors, wires, and other electrical components that require high conductivity and durability.
Heat Exchangers and Condensers: Commonly used in heat exchangers, cooling systems, and radiators due to its high thermal conductivity and corrosion resistance.
Chemical Processing and Industrial Equipment: Suitable for piping, valves, and tubing in chemical processing plants, where resistance to corrosion in acidic and alkaline environments is essential.

Advantages of CuNi4 NC007 C72150 2.0842 Copper-Nickel Alloy Wire:

Enhanced Corrosion Resistance: The 4% nickel content provides excellent resistance to marine corrosion, oxidation, and corrosion in chemical environments, making it ideal for marine and seawater-cooled systems.
Good Strength and Ductility: Offers a combination of strength and ductility, which is beneficial for components subjected to mechanical stress and those requiring good formability.
High Thermal and Electrical Conductivity: Excellent for electrical and thermal conductivity applications, ensuring efficient energy transfer and performance.
Versatile Fabrication: Can be processed into various forms, including wire, tubing, and sheet, suitable for a wide range of industrial applications.
Biofouling Resistance: Resists the build-up of marine organisms, making it ideal for marine hardware and heat exchangers in marine environments.

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
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 Profile

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 preci.sion of our products. We have the tightest tolerances and deliver within a few days to a fewweeks. As a result, we have become the leading alloy wire supplier in the industry.

Senphus Subsidiaries:

Jiangyin Chengxin Alloy Material Co., Ltd.
Jiangyin Senphus Electrical Materials Co., Ltd.
Jiangsu Xiangcheng Supply Chain Management Co., Ltd.

Jiangyin Chengxin Alloy Material Co., Ltd.: With nearly 20 years of experience, Jiangyin Chengxin is a leading alloy wire manufacturer in China. We offer a wide range of services, from fine wire drawing to resistance wire manufacturing. Our specialty lies in the quality and precision of our products, achieving the tightest tolerances and delivering orders within days to weeks. As a result, we have established ourselves as the premier supplier of alloy wire in the industry.

Our product range includes:

Copper-nickel alloys (CuNi1-CuNi44)
Karma (Nikrothal L/Evanohm/Alloy 800)
Manganin and Constantan
Nickel-chromium alloys
Thermocouple alloys (Type K, N, E, T, J)
Thermocouple extension wire
PTC thermistor resistance alloy
Pure nickel wire and Monel alloy

These alloys are available in various forms, including wire, ribbon, stranded, and enamelled. Major applications include seat heating, underfloor heating, military projects, aerospace, household appliances, heating wire, mechanical and electrical plants, and temperature instruments. Our manufacturing processes are ISO 9001:2015 certified, and we specialize in fine and ultra-fine wire drawing, offering wire diameters from 0.025 mm (0.001") to 13 mm (0.51") in small batches, medium volumes, and mass production. We maintain a comprehensive quality inspection system, including in-house chemical analysis, chromatographic analysis, metallurgical analysis, pinhole tests, wire construction tests, and tension tests to ensure the highest quality standards.

Senphus Electrical Material Co., Ltd.: Founded in 2003, Senphus Electrical Material Co., Ltd. integrates research, manufacturing, and sales of electric heating alloys, heating cables, heating wires, and heating products. Leveraging over a decade of technical expertise in heating alloy wire, we have adopted advanced heating cable technology and machinery, successfully developing heating cables, temperature controllers, and temperature control systems suitable for building heating, pipe insulation, outdoor snow melting, wind power blade production, car seat heating, and healthcare applications.

The company is recognized as a high-tech enterprise in Jiangsu Province and a small giant enterprise in Jiangyin City, specializing in innovative technologies. We operate the "Wuxi Heating Cable Engineering Technology Research Center" and collaborate with experts from renowned domestic universities. Our portfolio includes 5 invention patents and over 30 utility model patents, showcasing our strong research and development capabilities.

With an annual output exceeding 1,000 tons of thermal alloy wire and an output value of approximately 105 million yuan, our products are well-received in markets such as the UK, Italy, Canada, Peru, and Spain. Our heating cables generate an annual output value of over 80 million yuan, with exports to Germany, Japan, the United States, Malaysia, Denmark, Brazil, and other countries.

The company has successfully passed multiple quality management system certifications, including IATF 16949, ISO 9001, ISO 14001 (Environmental Management System), and ISO 45001 (Occupational Health and Safety Management System). Our heating cables and related products have also obtained test reports from the Shanghai Cable Research Institute Test Center and received certifications such as UL (United States), VDE (Germany), CE (European Union), and RoHS.

Commitment to Quality: We adhere to the business commitment of "Reputation First, Quality First, Customer First" and uphold the quality policy of "Integrity-Based, Quality-Oriented, Excellent Service." We are dedicated to providing accurate products and professional services, and we look forward to collaborating sincerely with you to achieve mutual success.

CuNi4/NC007/C72150/2.0842 Copper Nickel Alloy Wire With Good Mechanical Properties In Heat Exchangers

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