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CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance

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CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance

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Brand Name :	Senphus
Model Number :	CuNi19/NC025
Certification :	ISO9001
Payment Terms :	T/T, D/P
Supply Ability :	30 Tons per day
Delivery Time :	3 days

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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 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
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.

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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

Key Features of CuNi19 NC025 Wire:

Advantages of CuNi19 NC025 Wire:

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Excellent Mechanical Properties CuNi Alloy

Corrosion Resistance CuNi Alloy

NC025 CuNi Alloy

CuNi19 NC025 CuNi Alloy With Excellent Mechanical Properties And Corrosion Resistance