ASTM B466 C71500 Copper Nickel 70/30 Pipes Supplier
The copper nickel 70/30 pipes and tubes are the resistant products used in piping works and they are manufactured from alloys having 70 percent of copper and 30 percent of nickel and the traces amount of iron and manganese. These pipes provide a high resistance against the corrosion in sea water, marine biofouling, erosion and stress corrosion cracking and thus find great use in marine application, offshore application, shipbuilding application, desalination application, heat exchanger and condensers and power generation. Our Company supply ASTM B466 C71500 seamless pipe, UNS C71500 copper nickel pipes, marine grade cupro nickel pipes and Copper nickel 70/30 SCH 40 pipe at varied sizes and grades for industrial purposes around the world.
Trusted Copper Nickel 70/30 Pipes Manufacturer and Supplier
A prime manufacturer, supplier and exporter of Copper-Nickel 70/30 Pipes and Tubes required for tough industrial conditions where extreme corrosion resistance and extended operational life is mandatory. The pipes manufactured from best quality grade Cu-Ni alloy are durable enough to withstand corrosive sea and chemicals conditions. Our inventory ranges from welded, ERW, seamless, EFW, fabricated pipes of all kinds and are made in all sizes, dimensions, and wall thicknesses. These are very commonly used in marine construction, offshore structures, heat exchangers, condensers, desalination and power plants across the world. We are one of the best copper nickel 70 30 pipes manufacturers India, giving delivery with all necessary specifications and in cheapest price in time.
What Are Copper Nickel 70/30 Pipes?
Copper Nickel 70/30 Pipes are manufactured using an alloy consisting primarily of:
- Copper (Cu): 70%
- Nickel (Ni): 30%
- Iron (Fe): 0.4–1.0%
- Manganese (Mn): 0.5–1.0%
The addition of nickel significantly improves resistance to seawater corrosion and erosion, while iron and manganese enhance strength and resistance to flowing seawater.
Compared to Copper Nickel 90/10, the 70/30 alloy provides:
✓ Higher mechanical strength
✓ Better resistance to high-velocity seawater
✓ Improved erosion-corrosion resistance
✓ Superior performance in offshore applications
✓ Extended service life in marine systems
These advantages make marine grade cupro nickel pipes one of the most preferred materials in naval and industrial seawater systems.
Properties of Copper Nickel 70/30 Pipes
- Corrosion Resistance: One of the most significant advantages of copper-nickel pipes is their exceptional resistance to corrosion, particularly in seawater environments. The alloy forms a protective oxide layer that prevents corrosion, making it ideal for marine applications.
- High Strength and Durability: The addition of nickel to the alloy enhances its strength and durability, making Copper Nickel 70/30 pipes suitable for high-pressure and high-temperature applications.
- Thermal Conductivity: Copper Nickel 70/30 offers excellent thermal conductivity, which is beneficial in heat exchangers and condenser applications.
- Fabricability: Copper Nickel pipes 70/30 are easily fabricated and welded, allowing for versatile manufacturing and installation options.
- Biofouling Resistance: The alloy is resistant to biofouling, which is the accumulation of marine organisms on surfaces. This property reduces maintenance costs and prolongs the lifespan of marine equipment.
Advantages of Copper Nickel 70/30 Pipes
- Long Lifespan: The superior corrosion resistance and durability of Copper Nickel 70/30 pipes ensure a long operational lifespan, reducing the need for frequent replacements.
- Cost-Effective: Although the initial cost of Copper Nickel pipes may be higher than some alternatives, their longevity and low maintenance requirements make them a cost-effective choice in the long run.
- Versatile Applications: The exceptional properties of Copper Nickel 70/30 make it suitable for a wide range of applications, including shipbuilding, offshore oil and gas, power generation, desalination plants, and chemical processing.
- Environmental Benefits: Copper Nickel pipes are environmentally friendly, as they are fully recyclable and have a low ecological impact compared to other materials.
Schedule and Size Chart
| Pipe Size (inches) | Outer Diameter (mm) | Wall Thickness (mm) | Schedule |
| 1/2″ | 21.3 | 2.77 | 40 |
| 3/4″ | 26.7 | 2.87 | 40 |
| 1″ | 33.4 | 3.38 | 40 |
| 1 1/4″ | 42.2 | 3.56 | 40 |
| 1 1/2″ | 48.3 | 3.68 | 40 |
| 2″ | 60.3 | 3.91 | 40 |
| 2 1/2″ | 73.0 | 5.16 | 40 |
| 3″ | 88.9 | 5.49 | 40 |
| 4″ | 114.3 | 6.02 | 40 |
Mechanical Properties
Mechanical Characteristics
| Property | Value |
| Tensile Strength | 360 MPa Min |
| Yield Strength | 125 MPa Min |
| Elongation | 30% Min |
| Density | 8.94 g/cm³ |
| Melting Range | 1170 – 1240°C |
These properties enable long-term reliability in highly corrosive operating environments.
ASTM B466 C71500 Seamless Pipe Specifications
One of the most widely used grades in this category is the ASTM B466 C71500 Seamless Pipe, manufactured specifically for high-performance industrial applications.
Product Specifications
| Specification | Details |
| Standard | ASTM B466 |
| Material Grade | C71500 |
| UNS Number | UNS C71500 |
| Alloy Type | Copper Nickel 70/30 |
| Pipe Type | Seamless, Welded, ERW |
| Size Range | 1/8″ NB to 48″ NB |
| Schedule | SCH 10, SCH 20, SCH 40, SCH 80, SCH 160 |
| Length | Single Random, Double Random, Cut Length |
| Form | Round, Square, Rectangular |
| End Type | Plain End, Beveled End, Threaded |
Our inventory includes copper nickel 70 30 SCH 40 pipe suitable for medium to high-pressure industrial systems.
Tensile Strength Chart
| Condition | Tensile Strength (MPa) |
| Annealed | 345 – 485 |
| Cold Worked | 450 – 600 |
| Stress Relieved | 310 – 450 |
Heat Treatment Requirement Chart
| Heat Treatment Process | Temperature (°C) | Duration |
| Annealing | 700 – 750 | 1 – 2 hours |
| Stress Relieving | 300 – 350 | 1 – 3 hours |
| Solution Treatment | 850 – 900 | 15 – 30 minutes |
Chemical Composition of UNS C71500 Copper Nickel Pipes
Chemical Composition (%)
| Element | Composition |
| Copper | Balance |
| Nickel | 29 – 33 |
| Iron | 0.4 – 1.0 |
| Manganese | 0.5 – 1.0 |
This balanced composition provides exceptional resistance to corrosion and biofouling in seawater environments.
Physical Properties Chart
| Property | Value |
| Density | 8.94 g/cm³ |
| Melting Point | 1170 – 1240°C |
| Thermal Conductivity | 29 W/m·K |
| Electrical Conductivity | 5 – 6% IACS |
| Modulus of Elasticity | 144 GPa |
Applications of Cupro Nickel 70/30 Pipe
Due to their exceptional seawater resistance, these pipes are used across numerous industries.
Marine and Shipbuilding Industry
Marine vessels rely heavily on marine grade cupro nickel pipes for seawater cooling, ballast, firefighting, and hydraulic systems.
Offshore Oil & Gas Platforms
Excellent resistance to chloride attack makes them ideal for offshore installations.
Power Generation Plants
Widely used in condenser and cooling water systems.
Desalination Plants
Preferred material for seawater intake and distribution systems.
Heat Exchangers and Condensers
High thermal conductivity improves overall heat transfer efficiency.
Naval Defense Applications
Used extensively in naval ships, submarines, and military marine systems.
Petrochemical Industry
Provides long-term reliability in corrosive process environments.
Key Features of Copper Nickel 70/30 Pipes
Excellent Seawater Corrosion Resistance
The alloy naturally develops a protective oxide layer that prevents aggressive seawater attack and extends equipment life.
Superior Erosion Resistance
Ideal for systems handling fast-moving seawater where conventional alloys often fail due to erosion-corrosion.
Outstanding Biofouling Resistance
The copper content naturally inhibits marine organism growth, reducing maintenance and cleaning requirements.
High Mechanical Strength
The increased nickel content provides superior strength compared to Copper Nickel 90/10 alloys.
Long Service Life
Many marine installations using Cu-Ni 70/30 systems continue operating efficiently for decades with minimal maintenance.
Types of Copper Nickel 70/30 Pipes We Supply
Our product range includes:
Seamless Copper Nickel 70/30 Pipes
Manufactured without weld joints for high-pressure applications.
Welded Copper Nickel Pipes
Economical solution for general industrial service.
Copper Nickel 70/30 SCH 40 Pipe
Widely used in marine, offshore, and power generation projects.
Heat Exchanger Pipes
Designed for efficient thermal transfer systems.
Cupro Nickel Condenser Tubes
Specially engineered for condensers operating with seawater cooling systems.
Marine Grade Cupro Nickel Pipes
Developed specifically for shipbuilding and offshore installations.
Large Diameter Copper Nickel Pipes
Suitable for desalination plants and seawater distribution networks.
Why Cupro Nickel Condenser Tubes Are Preferred?
Cupro nickel condenser tubes are extensively used in power stations and marine cooling systems because they offer:
- Superior thermal conductivity
- Excellent seawater resistance
- Reduced maintenance costs
- Natural anti-fouling properties
- Long operational lifespan
- Improved heat transfer performance
These benefits help improve operational efficiency while reducing lifecycle costs.
Why Choose Us as Your Copper Nickel Pipe Supplier?
As a reliable cupro nickel 70/30 pipe supplier, we focus on delivering products that meet the highest industry standards.
What Sets Us Apart?
- Extensive stock availability
- International quality standards
- Third-party inspection support
- Competitive export pricing
- Custom sizes and lengths
- Worldwide shipping capability
- Technical assistance from industry experts
- Full material traceability documentation
We have successfully supplied projects across North America, Europe, the Middle East, Southeast Asia, and Africa.
UNS C71500 Copper Nickel Pipes Exporter in USA
A leading UNS C71500 copper nickel pipes exporter in the USA and worldwide, we understand the logistics required to deliver on time to EPC contractors, shipyards, offshore applications, and industrial facilities.
Export documentation typically includes:
- Mill Test Certificates (MTC)
- EN 10204 3.1 Certification
- PMI Reports
- Hydrostatic Test Reports
- Third-Party Inspection Reports
- Packing Lists and Commercial Invoices
Frequently Asked Questions
What is Copper Nickel 70/30 pipe used for?
Copper Nickel 70/30 pipes are primarily used in marine, offshore, condenser, heat exchanger, desalination, and seawater piping systems.
What is ASTM B466 C71500 seamless pipe?
ASTM B466 C71500 seamless pipe is a copper nickel alloy pipe manufactured according to ASTM standards for corrosion-resistant industrial applications.
Is Copper Nickel 70/30 suitable for seawater?
Yes. It offers outstanding resistance to seawater corrosion, erosion, and marine biofouling.
What is the difference between Copper Nickel 90/10 and 70/30?
Copper Nickel 70/30 contains more nickel, resulting in higher strength and better erosion-corrosion resistance in aggressive seawater environments.
Are SCH 40 Copper Nickel Pipes available?
Yes. We supply copper nickel 70 30 SCH 40 pipe in multiple diameters and wall thicknesses.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Copper Nickel 70/30 Pipes. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
