Copper Nickel Round Bars

Aiman Metals, established in Kuala Lumpur, Malaysia, is a highly experienced manufacturer and supplier of high-quality metals with years of industry experience. Known for their excellence and customer satisfaction, the company excels in providing dependable solutions customized for clients. Among its vast inventory, Copper Nickel Round Bars and Rods have a good reputation for corrosion resistance, strength, and flexibility. Aiman Metals’ copper nickel round bars are appreciated globally for their performance in harsh conditions, especially in marine and industrial applications. Sustained by quality, accuracy, and tailor-made, Aiman Metals guarantees that each product is of international specifications and customer satisfaction.

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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?

Aiman Metals produces Copper Nickel Round Bars using copper (Cu) and nickel (Ni), most often in 90/10 (90% Cu, 10% Ni) and 70/30 (70% Cu, 30% Ni) grades. Minor additions of iron (2%) and manganese (1%) increase strength and resistance to corrosion. These alloys provide tensile strength of 310–550 MPa, yield strength of about 105–350 MPa, and elongation of up to 40%, with formability and durability. They exhibit superior seawater corrosion, stress corrosion cracking, and biofouling resistance and are ideal for severe marine and industrial applications where reliability and life expectancy are critical.

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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 Aiman 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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Expert Engineers

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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 and Rods are extremely versatile and widely applied in marine, offshore, industrial, and architectural sectors. In the marine sector, they are unavoidable in seawater piping, shipbuilding, hydraulic systems, condensers, and heat exchangers because of their anti-biofouling and saltwater resistance. The oil and gas industry uses them in offshore platforms, desalination plants, and marine hardware where toughness under adverse conditions is essential. They are also crucial in power generation, especially in turbine condensers and cooling systems. They serve reliably in corrosive fluid handling in the chemical and petrochemical industries. Their strength and cosmetic appeal also enhance architectural uses.

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