Copper Nickel Round Bars

Dhruv Metals, located in Hyderabad, India, has earned a solid reputation as a reliable manufacturer and supplier of high-quality Copper Nickel Round Bars, catering to a diverse range of industrial and marine sectors. These round bars are crafted from premium copper-nickel alloys, specifically 90/10 (C70600) and 70/30 (C71500), which provide remarkable strength, resistance to corrosion, and a long lifespan. Adhering to international standards like ASTM B151, Dhruv Metals guarantees precise dimensions, a smooth surface finish, and consistent quality. With a focus on customer satisfaction, state-of-the-art infrastructure, and prompt delivery, the company has become a go-to source for Copper Nickel Round Bars in both domestic and international markets.

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What is Copper Nickel Round Bars?

Copper Nickel Round Bars are primarily produced in two standard grades—90/10 and 70/30. The 90/10 alloy consists of 90% copper and 10% nickel, along with small amounts of iron and manganese, while the 70/30 alloy features 70% copper and 30% nickel, enhancing its strength and corrosion resistance. These round bars boast tensile strength ranging from 310 to 500 MPa, yield strength between 105 and 250 MPa, and elongation of 30 to 45%. They also demonstrate excellent thermal and electrical conductivity, outstanding weldability, and high resistance to stress corrosion and biofouling, making them perfect for demanding marine and industrial environments.

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Copper Nickel Round Bars Specifications

Specifications	ASTM B151 / ASME SB151
Dimensions	ASTM, ASME and API
Size	5 mm To 500 mm
Diameter	10 mm To 100 mm
Length	100 mm To 3000 mm Long & Above, 100 mm TO 90/100 mm
Finish	Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form	Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc.,
Condition	Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished

Chemical Composition of Copper Nickel Bars

Grade	Cu	Mn	Pb	Ni	Fe	Zn
Cu-Ni 90-10	88.6 min	1.0 max	.05 max	9-11 max	1.8 max	1 max
Cu-Ni 70-30	65.0 min	1 max	.05 max	29-33	0.4-1.0	1 max

Mechanical Properties of Copper Nickel Round Bars

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Copper Nickel 90/10, 70/30	0.323 lb/in3 at 68 F	2260 F	50000 psi	20000 psi	30 %

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Why Dhruv Metals?

Packaging

Copper Nickel Round Bar Weights

Bar Diameter (mm)	Weight (kg/m)
6	0.22
8	0.39
10	0.62
12	0.89
16	1.58
20	2.47
25	3.85
32	6.31
40	9.86
45	12.5
50	15.4
60	22.2
65	26.0
75	34.7
90	49.9
100	61.6

Copper Nickel Bar and Rods Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS
Cupro Nickel 90/10	2.0872	C70600
Cupro Nickel 70/30	2.0882	C71500

Copper Nickel Round Bar Sizes

Type	SIZES (mm)	SIZES (Inches)	ISO Tolerance
Cold Drawn and Ground	10.00 – 75.00	5/6″ – 2.50″	h8-h9-h10-h11
Peeled and Polished	40.00 – 150.00	1.50″ – 6.00″	h11, h11-DIN 1013
Peeled and Ground	20.00 – 50.00	3/4″ – 2.00″	h9-h10-h11
Cold Drawn and Polish	3.00 – 75.00	1/8″ – 3.00″	h8-h9-h10-h11

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Copper Nickel Round Bars Types

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Frequently Asked Questions (FAQ)

Are Copper Nickel Round Bars Customizable?

Yes, copper-nickel round bars are customizable in terms of alloy composition, dimensions, mechanical properties, and surface finishes to meet specific application requirements across various industries.

How Do I Select The Right Copper Nickel Round Bars For My Application?

To select the right copper-nickel round bars, consider the alloy composition (90/10 or 70/30), required corrosion resistance, mechanical properties, application environment (marine, industrial), and specific performance needs like strength or durability.

Are Copper Nickel Round Bars Recyclable?

Yes, copper-nickel round bars are fully recyclable. Their composition allows them to be efficiently recycled without losing their properties, making them an environmentally sustainable choice for various applications.

Copper Nickel Round Bars Uses

Copper Nickel Round Bars find extensive use in marine, offshore, power generation, and desalination industries due to their exceptional resistance to seawater corrosion and biofouling. These bars are perfect for crafting pump shafts, marine fasteners, valve components, heat exchanger parts, and condenser tubes. In shipbuilding, they are essential for seawater piping systems and engine cooling systems. Their excellent conductivity also makes them ideal for electrical connectors and instrumentation. Furthermore, they are utilized in hydraulic and pneumatic systems, chemical processing equipment, and various architectural applications, showcasing their versatility and reliability in challenging environments.

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