Copper Nickel Round Bars

Located in the heart of Manama, Bahrain, Junaid Metals has built a strong reputation for excellence in the supply of high-performance metals, including their exceptional Copper Nickel round bars. We understand that reliability is paramount in industrial applications, which is why our products are sourced and verified to meet the most demanding international standards. Our team is dedicated to providing not just materials, but durable, trustworthy solutions that stand up to the unique challenges of marine and industrial environments, supporting the growth and integrity of projects across the region and beyond.

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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?

These Copper Nickel alloys, often referred to as cupronickel, are primarily composed of copper with a nickel content typically ranging from 10% to 30%, along with small additions of iron and manganese for enhanced strength. This specific composition grants the round bars remarkable mechanical properties, including excellent tensile strength and outstanding ductility. They are particularly valued for their superb corrosion resistance, especially against seawater, sour crude, and saline atmospheres, making them incredibly durable and long-lasting even in the most aggressive 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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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

The unique combination of strength and corrosion resistance makes these round bars a top choice for critical applications, particularly in the marine industry. They are essential for fabricating propeller shafts, pump components, and condenser tubes on ships and offshore platforms. Beyond the sea, they play a vital role in desalination plants, power generation facilities, and chemical processing equipment where reliability is non-negotiable. Their versatility also extends to oil and gas production, making them a fundamental component in safeguarding the integrity and safety of complex industrial systems.

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