Cu-Ni 70/30 Pipes & Tubes
Cu-Ni 70/30 Pipes & Tubes
High-quality Cu-Ni 70/30 Pipes & Tubes manufactured for reliable fluid conveyance, heat transfer and structural applications in industrial service.
- Cu-Ni 70/30
- Seamless
- ERW
- Welded
- EFW
- LSAW
- Custom Lengths
Cu-Ni 70/30 Pipes & Tubes Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Cu-Ni 70/30 Pipes & Tubes in different sizes, grades, specifications and finishes for industrial and engineering applications.
Cu-Ni 70/30 Pipes & Tubes are supplied in seamless, ERW, welded and fabricated forms in a wide range of diameters, wall thicknesses, schedules and lengths for process, pressure and structural applications.
Cu-Ni 70/30 (C71500) offers higher strength and better resistance to erosion and high-velocity seawater than 90/10. Copper nickel (Cu-Ni) alloys such as 90/10 and 70/30 offer excellent resistance to seawater corrosion and biofouling, combined with good thermal conductivity and fabricability.
Typical applications for Cu-Ni 70/30 Pipes & Tubes include marine engineering, shipbuilding, desalination, offshore platforms, heat exchangers, condensers, seawater piping, power generation and general engineering.
Key Features of Cu-Ni 70/30
Seawater Corrosion Resistance
Excellent performance in seawater and marine environments.
Biofouling Resistance
Natural resistance to marine biofouling.
Thermal Conductivity
Good heat-transfer properties for exchangers and condensers.
Easy Fabrication
Good formability and weldability.
Cu-Ni 70/30 Pipes & Tubes Specifications
| Parameter | Specification |
|---|---|
| Dimensions | ASTM, ASME and API |
| Specifications | ASTM / ASME SB 111 / 151 / 466 |
| Grade | Cu-Ni 70/30 (C71500) |
| Size | 1/2" TO 6' IN OD & NB IN Various SWG & SCH |
| Outer Diameter | 4.00 to 22.00 mm |
| Wall Thickness | Between 0.15mm and 1.50 mm |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Rectangular, Hydraulic, Square |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Threaded |
Chemical Composition of Cu-Ni 70/30
| Element | Cu – Ni 70/30 |
|---|---|
| Cu | 65.0 min |
| Pb | .05 max |
| Mn | 1.0 max |
| Fe | 0.4-1.0 |
| Zn | 1 max |
| Ni | 29 – 33 |
Mechanical Properties of Cu-Ni 70/30
| Element | Copper Nickel Cu-Ni 70/30 |
|---|---|
| Density | 0.323 lb/in3 at 68 F |
| Melting Point | 2260 F |
| Min.Tensile (KSI) | 50000 psi |
| Min.Yield (KSI) | 20000 psi |
| Elongation | 30 % |
Equivalent Grades of Cu-Ni 70/30
| STANDARD | WERKSTOFF NR | UNS |
|---|---|---|
| Copper Nickel Cu-Ni 70/30 | 2.0882 | C71500 |
Types of Cu-Ni 70/30 Pipes & Tubes
Seamless Pipes
High-integrity pipes for pressure and high-temperature service.
ERW Pipes
Electric resistance welded pipes for general and process piping.
Welded / EFW Pipes
Welded and electric fusion welded pipes for larger diameters.
Tubes
Round, square, rectangular, U-bent and heat exchanger tubes.
Applications & Industries
- Marine Engineering
- Shipbuilding
- Desalination
- Offshore Platforms
- Heat Exchangers
- Condensers
- Seawater Piping
- Power Generation
- Oil & Gas
- Fire Fighting Systems
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
Cu-Ni 70/30 Pipes & Tubes can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Dimensional & visual inspection
- Material grade verification
- Chemical composition verification
- Mechanical property testing
- Flattening / flaring tests as applicable
- Hydrostatic testing as applicable
- Ultrasonic / eddy current testing as applicable
- Mill Test Certificate (MTC)
- Third-party inspection support
Why Choose Our Cu-Ni 70/30 Pipes & Tubes?
Multiple Manufacturing Routes
Seamless, ERW, welded and EFW options.
Wide Size Range
Many diameters, schedules and lengths.
Pressure Service
Suitable for demanding pressure applications.
Tested Quality
Supplied with test reports and MTC.
Cu-Ni 70/30 Pipes & Tubes Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Cu-Ni 70/30 Pipes & Tubes for domestic and international projects in a wide range of sizes, grades and specifications. Products can be supplied in standard and custom dimensions according to drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure export-worthy packaging.
Share your size, grade, quantity and specification requirements with our team to receive a competitive quotation for Cu-Ni 70/30 Pipes & Tubes.
Related Copper & Copper Alloys Pipes & Tubes Products
Cu-Ni 90/10 Pipes & Tubes
Cu-Ni 90/10 (C70600) is a copper-nickel alloy widely used for seawater piping because of its corrosion and biofouling resistance.
Technical Note: Technical values should be verified against the applicable ASTM / ASME / EN specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.