Copper Nickel Flat Bars

Sahil Metals is a Riyadh, Saudi Arabia-based leading manufacturer and supplier of high-grade metal products for challenging industrial applications. High on its list of major products are copper nickel flat bars, valued for having superior corrosion resistance, strength, and thermal conductivity. Found extensively in marine, heat exchanger, and desalination industries, these flat bars are of strict quality standards. Sahil Metals provides accurate manufacturing, consistent quality, and timely delivery and is a go-to source for copper nickel materials capable of withstanding tough and corrosive environments.

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70/30 Copper Nickel Flat Bar

Copper Nickel Flat Bar

90/10 Copper Nickel Flat Bar

What is Copper Nickel Flat Bars?

Copper nickel flat bars usually have copper with 10% to 30% nickel, with small amounts of iron and manganese to improve strength and corrosion resistance. Grades like 90/10 and 70/30 copper nickel are popular. They have superior resistance to seawater corrosion, biofouling, and stress corrosion cracking. They have good mechanical strength (200–500 MPa), good weldability, and higher thermal conductivity. Their flatness makes them suitable for general fabrication and machining in many structural and fluid handling applications.

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Copper Nickel Flat Bars Specifications

tandards: EN, DIN, JIS, ASTM, BS, ASME, AISI

Size: 5 mm to 200 mm

Length : 100 mm to 3660 mm Long

Specifications : ASTM / ASME SB 111

Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.

Finish : Bright, Polish & Black

Chemical Composition of Copper Nickel Flat Bars Rods

Grade	Mn	Cu	Pb	Fe	Ni	Zn
90/10	1.0 max	88.6 min	0.5 max	1.8 max	9-11 max	1 max
70/30	1 max	65.0 min	0.5 max	0.4-1.0	29-33	1 max

Mechanical Properties of Copper Nickel Flat Bars

Grade	Melting point	Density	Tensilestrength	Elongation	Yieldstrength(0.2%Offset)
90/10	2260°F	8.8g/cm3	50000 PSi	30%	20000 PSi
70/30	2260°F	0.323 lb/in3 at 68°F	50000 PSi	30%	20000 PSi

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Why Sahil Metals?

Packaging

Cupronickel Flat Bar Stock Surface Finishes

BD	Bright drawn	SRE	Slit rolled edge
CF	Cold finished	HRAP	Hot rolled annealed / pickled
CG	Centreless ground	HF	Hot finished
ST	Smooth turned	PR	Peeled / reeled
CD	Cold drawn	P	Polished
P&T	Peeled / turned	RT	Rough turned and peeled

Size chart of Copper Nickel Flat Bar

Flat bar – metric sizes ( weights )
Flat size	Standard length (metres)	KG’s / metre	Colour code
16 x 3	6.0	0.38	Blue
13 x 3	6.0	0.31	Blue
13 x 5	6.0	0.46	Orange
16 x 5	6.0	0.64	Orange
20 x 3	6.0	0.48	Blue
16 x 8	6.0	1.03	Red
20 x 5	6.0	0.81	Orange
20 x 10	6.0	1.61	Yellow
20 x 6	6.0	0.97	White
25 x 3	6.0	0.60	Blue
25 x 6	6.0	1.21	White
10 x 3	6.0	0.24	Blue
25 x 5	6.0	1.01	Orange
25 x 8	6.0	1.61	Red
25 x 12	6.0	2.41	Pink
25 x 10	6.0	2.01	Yellow
32 x 3	6.0	0.77	Blue
32 x 6	6.0	1.55	White
32 x 5	6.0	1.29	Orange
32 x 8	6.0	2.06	Red
32 x 12	6.0	3.09	Pink
32 x 10	6.0	2.58	Yellow
40 x 3	6.0	0.97	Blue
40 x 6	6.0	1.93	White
40 x 5	6.0	1.61	Orange
40 x 8	6.0	2.58	Red
40 x 12	6.0	3.86	Pink
40 x 10	6.0	3.22	Yellow
40 x 16	6.0	5.15	Grey
50 x 3	6.0	1.21	Blue
40 x 20	6.0	6.14	Green
50 x 5	6.0	2.01	Orange
50 x 8	6.0	3.22	Red
50 x 6	6.0	2.41	White
50 x 10	6.0	4.02	Yellow
50 x 16	6.0	6.44	Grey
50 x 12	6.0	4.83	Pink
50 x 20	6.0	8.05	Green
65 x 3	6.0	1.57	Blue
50 x 25	6.0	10.1	Purple
65 x 5	6.0	2.62	Orange
65 x 8	6.0	4.18	Red
65 x 6	6.0	3.14	White
65 x 10	6.0	5.23	Yellow
65 x 16	6.0	8.37	Grey
65 x 12	6.0	6.28	Pink
65 x 20	6.0	10.5	Green
75 x 5	6.0	3.02	Orange
65 x 25	6.0	13.1	Purple
75 x 6	6.0	3.62	White
75 x 10	6.0	6.04	Yellow
75 x 8	6.0	4.83	Red
75 x 12	6.0	7.24	Pink
75 x 20	6.0	12.1	Green
75 x 16	6.0	9.66	Grey
75 x 25	6.0	15.1	Purple
90 x 5	6.0	3.62	Orange
75 x 40	6.0	24.1	Yellow
90 x 6	6.0	4.35	White
90 x 10	6.0	7.24	Yellow
90 x 8	6.0	5.79	Red
90 x 12	6.0	8.69	Pink
100 x 6	6.0	4.83	White
100 x 5	6.0	4.02	Orange
100 x 8	6.0	6.44	Red
100 x 12	6.0	9.66	Pink
100 x 10	6.0	8.05	Yellow
100 x 16	6.0	12.9	Grey
100 x 25	6.0	20.1	Purple
100 x 20	6.0	16.1	Green
100 x 50	6.0	40.2	Green
110 x 8	6.0	7.08	Red
110 x 6	6.0	5.31	White
110 x 10	6.0	8.85	Yellow
130 x 5	6.0	5.23	Orange
110 x 12	6.0	10.6	Pink
130 x 6	6.0	6.28	White
130 x 10	6.0	10.5	Yellow
130 x 8	6.0	8.37	Red
130 x 12	6.0	12.6	Pink
130 x 20	6.0	20.9	Green
130 x 16	6.0	16.7	Grey
130 x 25	6.0	26.2	Purple
150 x 6	6.0	7.24	White
150 x 5	6.0	6.04	Orange
150 x 8	6.0	9.66	Red
150 x 12	6.0	14.5	Pink
150 x 10	6.0	12.1	Yellow
150 x 16	6.0	19.3	Grey
150 x 25	6.0	30.1	Purple
150 x 20	6.0	24.1	Green
150 x 50	6.0	60.4	Green
180 x 6	6.0	8.69	White
180 x 5	6.0	7.24	Orange
180 x 10	6.0	14.5	Yellow
180 x 16	6.0	23.2	Grey
180 x 12	6.0	17.4	Pink
180 x 20	6.0	29.0	Green
200 x 6	6.0	9.66	White
180 x 25	6.0	36.2	Purple
200 x 8	6.0	12.9	Red
200 x 12	6.0	19.3	Pink
200 x 10	6.0	16.1	Yellow
200 x 16	6.0	25.7	Grey
200 x 25	6.0	40.3	Purple
200 x 20	6.0	32.2	Green
250 x 6	6.0	12.1	White
250 x 10	6.0	20.1	Yellow
250 x 8	6.0	16.1	Red

Equivalent grade of cupro nickel Flat bar

Grade	UNS	Werkstoff Nr.
90/10	C70600	2.0872
70/30	C71500	2.0882

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Copper Nickel Flat Bars Types

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Frequently Asked Questions (FAQ)

Are Copper Nickel Flat Bars Recyclable?

Yes, Copper Nickel Flat Bars are fully recyclable. They can be melted down and reused without losing their essential properties, making them an environmentally friendly material for sustainable manufacturing practices.

How Do I Maintain Copper Nickel Flat Bars?

To maintain Copper Nickel Flat Bars, regularly clean them with mild detergent and water to remove debris. Avoid abrasive cleaning methods, and inspect for signs of corrosion or damage to ensure longevity.

Are Copper Nickel Flat Bars Customizable?

Yes, Copper Nickel Flat Bars are customizable. They can be manufactured to specific dimensions, thicknesses, and lengths based on customer requirements. Additionally, they can be tailored for particular applications, such as varying alloy compositions or surface finishes, to meet performance needs in industries like marine, chemical, and power generation.

Copper Nickel Flat Bars Uses

Copper nickel flat bars find extensive applications in marine hardware, seawater piping, heat exchangers, pump parts, and offshore oil rigs. They are suitable for coastal and underwater operations due to their corrosion resistance to saltwater and marine biofouling. Moreover, their thermal conductance facilitates effective heat transfer in power generation and desalination plants. Copper nickel flat bars are selected by engineers for their strength, corrosion resistance, and ability to be easily fabricated, which allows them to have long service life and reliable performance in harsh environments.

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