What is Copper Nickel 70/30 and why is it used?

Copper Nickel 70/30 (Cu-Ni 70/30) is an alloy with 70% copper and 30% nickel known for exceptional seawater corrosion resistance, strength, and thermal stability. It is widely used in marine, desalination, and industrial cooling applications.

What standards apply to Copper Nickel 70/30 Round Bars?

Copper Nickel 70/30 Round Bars are manufactured to ASTM B151 standards and correspond to UNS C71500. These ensure high mechanical strength and resistance to corrosion in seawater environments.

Where are Cu-Ni 70/30 Round Bars commonly used?

Cu-Ni 70/30 Round Bars are used in shipbuilding, seawater piping, desalination units, heat exchangers, condensers, offshore structures, and power plant cooling systems.

What sizes are available for Copper Nickel 70/30 Rods?

Copper Nickel 70/30 Rods are available in sizes ranging from 6mm to 350mm diameter, with custom lengths and forged or machined bar options.

Do you supply Copper Nickel 70/30 Round Bars in the UAE and Middle East?

Yes, we supply Copper Nickel 70/30 Round Bars across UAE including Dubai, Abu Dhabi, and Sharjah, as well as Middle Eastern markets such as Saudi Arabia, Qatar, Oman, Bahrain, and Kuwait.

What are the mechanical properties of Cu-Ni 70/30?

Cu-Ni 70/30 has excellent tensile strength, yield strength, and ductility. It also offers superior seawater corrosion resistance, making it suitable for high-temperature and high-pressure industrial applications.

Copper Nickel 70/30 Round Bars | C71500 Rods Supplier in UAE

If you are looking for Copper Nickel 70/30 Round Bars that deliver exceptional corrosion resistance, high durability, and long-term performance in the most aggressive environments, you’re in the right place. Our Cu-Ni 70/30 Round Bars (UNS C71500) are engineered for industries that demand reliability—especially marine, offshore, desalination, power plants, and heat exchanger applications.

This content is designed to help engineers, procurement teams, and global buyers understand exactly why Copper Nickel 70/30 Rods are one of the most trusted materials for seawater-facing projects.

What Is Copper Nickel 70/30?

Copper Nickel 70/30 (Cu-Ni 70/30) is a copper-based alloy containing 70% copper and 30% nickel, with added strengthening elements like iron and manganese. This combination gives the alloy its world-class resistance to:

Seawater corrosion
Biofouling
Stress cracking
High-temperature oxidation

This is why CuNi 70/30 Bars remain the top choice for marine, chemical, and offshore engineering.

Why Choose Copper Nickel 70/30 Round Bars? (Key Benefits)

Engineers prefer Cu-Ni Grade 70/30 Rods because they offer:

✔ Superior corrosion resistance in saltwater

Ideal for shipbuilding, desalination units, marine hardware, and offshore rigs.

✔ Excellent thermal stability

Perfect for heat exchangers, condensers, and power plant cooling systems.

✔ High tensile strength & toughness

Reliable performance under pressure and continuous flow conditions.

✔ Low maintenance & long service life

Reduces downtime and operating costs over the long run.

✔ Anti-microbial & anti-fouling

Prevents marine organism buildup on submerged components.

If you’re working in a marine or industrial environment, 70/30 Copper Nickel Round Bars are one of the most dependable material choices available.

Technical Properties of Cu-Ni 70/30 Bars

Understanding the material properties helps you choose better.

Cu-Ni 70/30 Mechanical Properties (Typical):

Tensile Strength: Excellent for high-pressure systems
Yield Strength: Reliable under mechanical stress
Elongation: High ductility for forming and machining

70/30 Copper Nickel Density:

Approximately 8.95 g/cm³ — offering superior strength-to-weight balance.

ASTM B151 Copper Nickel 70/30 Round Bars comply with:

ASTM B151 / B151M
UNS C71500
International marine standards

These specifications ensure your project meets global engineering requirements.

Applications of Copper Nickel 70/30 Rods

Our C71500 Copper Nickel Rods are widely used across industries:

1. Marine Applications

Sea-water piping
Pump shafts
Marine engineering components
70/30 Cu-Ni Round Bar for Shipbuilding

2. Desalination Plants

Designed for high salinity resistance:

Copper Nickel Rods for Desalination Plants

3. Heat Exchangers & Condensers

Cu-Ni 70/30 Bars for Heat Exchangers
Copper Nickel 70/30 Rod for Condensers

4. Power Plants

CuNi 70/30 Round Bar for Power Plants
Cooling tower systems

5. Offshore & Oil/Gas Platforms

Dependable in extreme, corrosive environments.

Where seawater meets metal—Copper Nickel 70/30 always stands out.

Available Sizes & Dimensions

We supply Copper Nickel 70/30 Round Bar Sizes in:

6mm to 350mm diameter
Custom lengths
Forged, hot-rolled, and machined bars

For precision requirements, we offer Cu-Ni 70/30 Rod Sizes tailored to your project.

Supplier & Exporter – UAE, Middle East & Global Markets

We are a trusted 70/30 Copper Nickel Round Bar Supplier serving industries across:

UAE

Copper Nickel 70/30 Round Bar Supplier UAE
Cu-Ni 70/30 Rods Dubai
70/30 Copper Nickel Bar Abu Dhabi

Middle East

Copper Nickel 70/30 Round Bar Supplier Middle East
Exporter to Saudi Arabia, Qatar, Oman, Bahrain, Kuwait

We offer the best price for Copper Nickel 70/30 Bars, ensuring competitive rates for bulk and project supplies.

Why Choose Us for Cu-Ni 70/30 Round Bars?

Premium ASTM B151 / C71500 grade
Mill test certificates (EN 10204 3.1 / 3.2)
Precision machining and custom cutting
Fast delivery across UAE & Middle East
Competitive pricing and bulk discounts
Engineering support for material selection

Whether you require Copper Nickel 70/30 Rods for a marine pipeline or CuNi 70/30 Bars for a heat exchanger unit, we deliver unmatched quality and reliability.

Cupro Nickel 70/30 Round Bar Equivalent Grades

STANDARD	UNS	WNR.	EN	AFNOR
Cupro Nickel 70/30	C71500	2.0882	NiCr20CuMo	Z2NCUD31-20AZ

Cupro Nickel 70/30 Square Bar

Alloy 70/30 Square Bar, UNS C71500 Square Bar, DIN 2.0882 Square Rod, ASME SB 111 Cupro Nickel 70/30 Square Bar, Cupro Nickel 70/30 Polish Square Bar, Cupro Nickel 70/30 Square Rod

Cupro Nickel 70/30 Hex Bar

ASME SB111 Cupro Nickel 70/30 Hex Bar, ASTM B111 Cupro Nickel 70/30 Hex Bar, DIN 2.0882 Hex Bar, UNS C71500 Hex Bar, Cupro Nickel 70/30 Hex Rod, Cupro Nickel 70/30 Polish Hex Bar, Copper Nickel 70/30 Hex Rod

Cu-Ni 70/30 Rectangular Bar

Cu-Ni ASTM B111 70/30 Rectangular Bar, UNS C71500 / DIN 2.0882 Rectangular Bar, ASME SB111 Cupro Nickel 70/30 Rectangular Rod, Cupro Nickel 70/30 Rectangle Rod, CuNi 70/30 Rectangle Bar, Cupro Nickel 70/30 Rectangular Bar

Cupro Nickel 70/30 Flat Bar

DIN 2.0882 Flat Bar, UNS C71500 Flat Bar, ASME SB 111 Cupro Nickel 70/30 Flat Bar, ASTM B111 Copper Nickel 70/30 Flat Rod, Cu-Ni 70/30 Polish Flat Bar