Copper Nickel
What is Copper Nickel
Copper Nickel, also known as Cupronickel, is an alloy primarily composed of copper and nickel, with additions of iron and manganese to improve its strength and corrosion resistance. This alloy is widely valued for its excellent resistance to seawater corrosion, making it ideal for marine, desalination, and heat exchange applications.
Asiad Steel Industries is a reputed manufacturer and supplier of high-quality Copper Nickel alloys in a wide range of forms and grades.
Key Features
- Outstanding Seawater Resistance – Immune to biofouling and chloride stress corrosion.
- High Ductility & Toughness – Retains mechanical strength in extreme conditions.
- Thermal Conductivity – Excellent heat transfer capabilities.
- Anti-Fouling Properties – Resists algae and marine organism buildup.
- Weldable & Fabricable – Suitable for joining and machining operations.
Specifications
Mechanical Properties
Chemical Composition
Equivalent Grades
Weight Chart
Specifications
| Parameter | Details |
|---|---|
| Grades | Cu-Ni 90/10, Cu-Ni 70/30 |
| Standards | ASTM B466, B122, B467 |
| Forms Available | Pipes, Tubes, Sheets, Plates, Fittings |
| Size Range | Customized sizes available |
| Manufacturing | Seamless / Welded / Forged |
| Property | Value |
|---|---|
| Tensile Strength | 310 – 420 MPa |
| Yield Strength | 90 – 150 MPa |
| Elongation | 30% min |
| Hardness | 60 – 85 HRB |
| Melting Point | 1100 – 1200°C |
| Property | Value |
|---|---|
| Tensile Strength | 310 – 420 MPa |
| Yield Strength | 90 – 150 MPa |
| Elongation | 30% min |
| Hardness | 60 – 85 HRB |
| Melting Point | 1100 – 1200°C |
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 60.0 – 90.0 |
| Nickel (Ni) | 10.0 – 30.0 |
| Iron (Fe) | 1.0 – 2.0 |
| Manganese (Mn) | 1.0 max |
| Standard | Equivalent Grade |
|---|---|
| ASTM | B466, B467 |
| UNS | C70600 (90/10), C71500 (70/30) |
| DIN | 2.0872, 2.0882 |
| BS | CN102, CN107 |
| Product Type | Size (mm) | Weight per Meter (kg) |
|---|---|---|
| Tube | 25 x 2.5 | 1.47 |
| Pipe | 50 x 3 | 3.45 |
| Sheet | 1000 x 3 | 26.50 |
| Plate | 1000 x 8 | 70.80 |
Applications of Copper Nickel
Construction &
Infrastructure
Automotive & Heavy
Equipment
Manufacturing &
Fabrication
Medical & Laboratory
Equipment
Electrical &
Electronics Assembly
Oil, Gas & Petrochemical
Installations
Do you have questions?
What is the difference between Cu-Ni 70/30 and 90/10?
70/30 has higher nickel content, offering better strength and corrosion resistance, while 90/10 is more cost-effective and easier to fabricate.
Can Copper Nickel be used for potable water systems?
Yes. Its biofouling resistance and antimicrobial properties make it ideal for drinking water applications.
Is Copper Nickel suitable for welding?
Yes, it can be welded using standard techniques such as TIG, MIG, and arc welding.
How does Copper Nickel resist marine biofouling?
It has natural antifouling properties due to copper content, deterring algae, barnacles, and other marine organisms.
