Copper Nickel Round Bars

Sahil Metals is a renowned Riyadh-based, Saudi Arabian manufacturer and supplier of a broad spectrum of non-ferrous metal products for industrial applications. One of its main product offerings is copper nickel round bars, appreciated for their high corrosion resistance, strength, and thermal stability. These bars are extensively applied for use in marine, offshore, desalination, and heat exchanger applications. Sahil Metals guarantees all products to meet international standards of quality, providing precision-fabricated materials with excellent performance and extended life, coupled with persistent service and timely delivery to suit the demands of a variety of industrial segments.

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Cupro Nickel Polished Round Bar

Cu-Ni Alloy Round Bar

ASTM B111 Cu-Ni Rods

What is Copper Nickel Round Bars?

Copper nickel round bars consist mainly of copper and nickel, with common grades being 90/10 (CU-NI 90/10) and 70/30 (CU-NI 70/30). These alloys can also include small amounts of manganese and iron for enhanced strength and corrosion resistance. Copper nickel bars have superior resistance to seawater corrosion, biofouling, and stress corrosion cracking. Their mechanical properties include good tensile strength (200–500 MPa as per grade), superior weldability, and high thermal conductivity. These bars can be formed, machined, and welded, and they remain stable in high-pressure as well as corrosive conditions.

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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 Sahil 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 are extensively employed in marine hardware, condenser tubes, heat exchangers, pump shafts, seawater piping, and offshore oil platforms. Copper nickel’s corrosion resistance in saltwater and marine biofouling makes them suitable for shipbuilding and coastal structures. Their thermal stability and conductivity also make them suitable for applications in power plants and heat transfer systems. Engineers select copper nickel round bars because they are tough, can be worked on, and perform under tough environmental and mechanical conditions, so they are a sound solution for long-term service in demanding applications.

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