Home > Copper Nickel > Copper Nickel 70/30 Fasteners
Based in Cape Town, Cape Town, Themba Nickel Alloys has built a solid reputation as a manufacturer and supplier of Copper Nickel 70/30 Fasteners, delivering top-notch solutions to clients in Cape Town, South Africa. These fasteners are meticulously crafted to meet international standards, ensuring exceptional strength and resistance to corrosion. Renowned for their outstanding performance in challenging environments, the products from Themba Nickel Alloys are highly trusted across the marine, offshore, and industrial sectors. The company places a strong emphasis on quality assurance, durability, and customer satisfaction, making it a go-to choice for Copper Nickel 70/30 Fasteners in global markets.
Copper Nickel 70/30 Fasteners are made up of about 70% copper and 30% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. This alloy is known for its excellent mechanical stability, high tensile and yield strength, and impressive resistance to seawater and biofouling. It retains good ductility, toughness, and thermal stability, even in harsh marine conditions. The combination of mechanical durability and corrosion resistance makes this alloy perfect for fastening applications in environments that are exposed to saltwater and high pressure.
| Standard | DIN, ASTM, BS and all International Standards |
|---|---|
| Size | 3mm To |
| 200 mm | |
| Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M02 To M33 |
| Length | H8, H9, H10, H11, H12, H13K9, K10, K11f, K12 or as per clients’ requirements |
| Types | Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U-Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts. |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc |
| Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 70/30 | 65 min | 1.0 max | 0.05 max | 29-33 max | 0.4-1.0 max | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Cupro Nickel 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
You’ll find Copper Nickel 70/30 Fasteners widely used in marine engineering, shipbuilding, and offshore platforms, thanks to their remarkable resistance to seawater corrosion. They’re perfect for condenser systems, desalination plants, heat exchangers, and piping systems in coastal and chemical industries. These fasteners also play a crucial role in power generation, oil and gas refineries, and seawater cooling systems, where long-term performance and reliability are essential. Their exceptional anti-corrosive and mechanical properties guarantee dependable service in demanding and corrosive operational environments.
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Copper nickel 70/30 fasteners are widely used in marine and offshore industries due to their excellent resistance to seawater corrosion and bio-odor Essential for the components of seawater cooling systems, heat exchangers and condenser tubes. These fasteners are also used in shipbuilding to fasten hulls, piping systems and structural components. Furthermore, it finds applications in desalination plants, power plants, and the chemical industry, where its durability and resistance to stress cracking ensure its reliability longer and performs better in harsh environments.
