Copper Nickel Round Bars

Marcus Metals, as a leading manufacturer and provider of high-quality metal in Midland, UK is renowned for quality, but our commitment to delivering our best products, with full satisfaction, we supply copper nickel round bars and rods, in large quantities, valued across the globe for corrosion resistant strength and flexibility. Delivering custom-made solutions is a specialty for Marcus Metals in regards to satisfying its clients. Our business boasts decades of expertise within the industry to make sure customer satisfaction from delivering top-quality, reliable metal products.

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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 are made up of copper (Cu) and nickel (Ni) with typical grades being 90/10 (90% Cu, 10% Ni) and 70/30 (70% Cu, 30% Ni). The alloys sometimes contain a small percentage of iron (up to 2%) and manganese (up to 1%), added for strength and improvement in corrosion resistance. Excellent mechanical properties are characteristic of them, with tensile strength between 310-550 MPa, elongation up to 40%, and high toughness. They also have excellent corrosion resistance, especially in seawater and brine, with good anti-biofouling properties, which make them suitable for shipbuilding, offshore equipment, and heat exchangers. They are durable and highly formable.

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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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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 highly valued for their high strength and corrosion resistance, thus they have found applications in various industries and marine environments. Their resistance to saltwater corrosion and biofouling has made them an important component in shipbuilding in the piping of seawater, hydraulic systems, heat exchangers, and condensers. The bars are used extensively in offshore industries for oil and gas platforms, desalination plants, and marine hardware. Additionally, they are used in the generation of power for turbine condensers and cooling systems, also in the chemical and petrochemical industry for corrosion fluids handling, and the strength and aesthetics make it suitable for architectural applications.

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