Copper Nickel Fasteners Suppliers & Exporters in Europe, USA and Gulf Countries
Aurum Overseas supplies Copper Nickel Fasteners for marine, offshore, desalination, naval, and seawater-handling systems requiring strong resistance to corrosion, biofouling, erosion, and chloride exposure.
Our range includes standard and custom fasteners manufactured to international requirements, with material traceability, inspection documentation, certifications, and global export support.
Aurum Overseas supplies Copper Nickel fasteners to major international markets including the USA, Canada, Mexico, UAE, Saudi Arabia, Germany, France, Italy, Spain, Netherlands, Qatar, and Oman, supporting marine, offshore, desalination, and industrial buyers.
Copper Nickel Fasteners Specifications
| Specification | Details |
|---|---|
| Material Grade | Copper Nickel Fasteners |
| Grades | UNS C70600 (Cu-Ni 90/10), UNS C71500 (Cu-Ni 70/30) |
| ASTM Standards | ASTM SB151, ASTM SB152 |
| ASME Standards | ASME SB151, ASME SB152 |
| International Standards | ASTM, ASME, BS, DIN, ISO, UNI, ANSI, GB, IS, JIS |
| ANSI Standards | ANSI B18.2.4 2M, ANSI B28.2.4 1M |
| ASME Standards | ASME B16.5, ASME B18.2.2, ASME B18.5 |
| DIN Standards | DIN 912, DIN 603, DIN 933, DIN 6923, DIN 970, DIN 931, DIN 7981, DIN 934, DIN 916, DIN 7985, DIN 7982, DIN 913 |
| Product Forms | Bolts, Nuts, Washers, Screws, Stud Bolts, Threaded Rods |
| Size Range | M4 to M100 |
| Length | 3 mm to 200 mm |
| Threads | BSF, BSW, UNF, UNC, Metric or as required |
| Surface Finish | Plain, Polished, Passivated |
| Custom Sizes | Available |
| Certification | EN 10204 3.1 / 3.2 |
| Supply Capability | Export Worldwide |
Mechanical Properties of Copper Nickel Fasteners
Copper Nickel grades provide a balance of strength and ductility for marine and seawater service.
Copper Nickel 90/10 – UNS C70600
| Property | Value |
|---|---|
| Density | 8.94 g/cm³ |
| Tensile Strength | 310 MPa |
| Yield Strength | 105 MPa |
| Elongation | 30% |
Copper Nickel 70/30 – UNS C71500
| Property | Value |
|---|---|
| Density | 8.95 g/cm³ |
| Tensile Strength | 360 MPa |
| Yield Strength | 125 MPa |
| Elongation | 30% |
Copper Nickel 70/30 provides higher strength and improved erosion resistance for more demanding seawater conditions.
Chemical Composition of Copper Nickel Fasteners
Controlled nickel, iron, and manganese additions provide corrosion and erosion resistance in seawater environments.
Copper Nickel 90/10 – UNS C70600
| Element | Composition (%) |
|---|---|
| Copper | Balance |
| Nickel | 9.0–11.0 |
| Iron | 1.0–1.8 |
| Manganese | 1.0 Max |
Copper Nickel 70/30 – UNS C71500
| Element | Composition (%) |
|---|---|
| Copper | Balance |
| Nickel | 29.0–33.0 |
| Iron | 0.4–1.0 |
| Manganese | 1.0 Max |
Equivalent Grades of Copper Nickel Fasteners
| Grade | UNS | Common Designation |
|---|---|---|
| Copper Nickel 90/10 | C70600 | Cu-Ni 90/10 |
| Copper Nickel 70/30 | C71500 | Cu-Ni 70/30 |
Copper Nickel Fasteners Sizes, Threads and Types
Copper Nickel fasteners are available in standard and custom configurations for marine, offshore, desalination, and industrial projects.
Available Fastener Types
Bolts
Studs
Nuts
Washers
Screws
Threaded Bar
Thread Standards and Size Range
| Parameter | Details |
|---|---|
| Metric Sizes | M4 to M100 |
| Thread Forms | UNC, UNF, Metric, BSW, BSF |
| Length | 3 mm to 200 mm |
| Manufacturing | Rolled & Cut Threads |
| Customization | Customer drawings and project specifications |
Applications of Copper Nickel Fasteners in Marine, Offshore and Desalination Systems
Copper Nickel fasteners provide excellent resistance to seawater corrosion, biofouling, erosion, and chloride exposure, making them suitable for demanding marine environments.
They are widely used in shipbuilding, offshore platforms, naval systems, desalination plants, seawater cooling, and coastal infrastructure.
Key Applications of Copper Nickel Fasteners
| Industry / Application | Typical Use | Key Requirement |
|---|---|---|
| Shipbuilding | Marine assemblies and vessels | Seawater corrosion resistance |
| Offshore Oil & Gas | Platforms and subsea equipment | Chloride and marine resistance |
| Naval Defense | Naval vessels and systems | Long-term seawater performance |
| Desalination | Seawater treatment plants | Saltwater and brine resistance |
| Power Generation | Cooling systems and condensers | Seawater and erosion resistance |
| Heat Exchangers | Tubesheets and fastening systems | Flowing seawater resistance |
| Marine Engineering | Pumps, valves and piping | Corrosion and biofouling resistance |
| Coastal Infrastructure | Ports and marine structures | Marine atmospheric resistance |
Global Export Markets
Aurum Overseas supplies its products to major industrial and engineering markets worldwide, supporting EPC contractors, manufacturers, distributors, and industrial buyers with reliable supply and export logistics.
USA
Canada
Mexico
UAE
Saudi
Arabia
Germany
France
Italy
Spain
Netherlands
Belgium
Poland
Qatar
Oman
Kuwait
Bahrain
Quality Assurance and Copper Nickel Fastener Inspection
Copper Nickel fasteners can be supplied with EN 10204 3.1/3.2 certification and supporting quality documentation.
Testing and Inspection
| Inspection | Purpose |
|---|---|
| PMI Testing | Material grade verification |
| Chemical Verification | Composition confirmation |
| Dimensional Inspection | Size and tolerance verification |
| Mechanical Testing | Strength and ductility verification |
| Third-Party Inspection | Independent project inspection when required |
Export Packaging and International Logistics Support
Copper Nickel fasteners are packed to protect against moisture, contamination, and transit damage during international shipments.
Packaging and Documentation
| Requirement | Support |
|---|---|
| Protective Packaging | Moisture and contamination protection |
| Export Cartons | Sealed industrial packaging |
| Wooden Crates | Fumigated project packaging |
| Identification | Labels and traceability |
| Documentation | Packing lists and export documents |
Why Industrial Buyers Choose Aurum Overseas for Copper Nickel Fasteners
Aurum Overseas supplies Copper Nickel fastening solutions for marine, offshore, naval, desalination, and seawater-handling applications. Our focus on material traceability, international standards, inspection documentation, and export logistics supports demanding industrial procurement requirements.
We support bulk orders, custom fasteners, project documentation, and international delivery for corrosion-critical marine applications.
Copper Nickel 90/10 vs 70/30 Fasteners for Marine Applications
Copper Nickel 90/10 is widely selected for general seawater systems where corrosion resistance and cost-effectiveness are important. Copper Nickel 70/30 offers higher strength and improved resistance to erosion and impingement attack in high-velocity seawater.
| Comparison Factor | Copper Nickel 90/10 | Copper Nickel 70/30 |
|---|---|---|
| UNS Grade | C70600 | C71500 |
| Nickel Content | 9.0–11.0% | 29.0–33.0% |
| Tensile Strength | 310 MPa | 360 MPa |
| Yield Strength | 105 MPa | 125 MPa |
| Seawater Resistance | Excellent | Excellent |
| Erosion Resistance | Very Good | Higher |
| Typical Applications | Piping, condensers, shipbuilding | Offshore, naval, high-velocity seawater |
FAQs – Copper Nickel Fasteners
Copper Nickel Fasteners are commonly used in shipbuilding, offshore platforms, desalination plants, seawater piping systems, and marine engineering projects requiring superior resistance to seawater corrosion.
Copper Nickel 90/10 Fasteners offer excellent seawater corrosion resistance and are widely used in general marine applications. Copper Nickel 70/30 Fasteners provide improved strength and enhanced resistance to erosion in high-velocity seawater systems.
Yes, Aurum Overseas supplies Copper Nickel Fasteners throughout the USA with complete inspection reports, material traceability, and project-specific manufacturing support.
Yes, we export to UAE, Saudi Arabia, Qatar, Kuwait, Oman, and Bahrain with proper export documentation, secure packaging, and reliable delivery schedules.
Yes, Copper Nickel Fasteners are extensively used in desalination facilities due to their outstanding resistance to seawater corrosion and biofouling.
Yes, we manufacture custom sizes, thread forms, and fastening configurations according to customer drawings and project specifications.
Request a Quote for Copper Nickel Fasteners
Need Copper Nickel fasteners for a marine, offshore, desalination, or naval project? Aurum Overseas offers bulk supply, custom sizes, certification, and global delivery.
Contact us for a quotation based on your specifications, quantity, and delivery location.
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