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Based in Cape Town, Cape Town, Themba Nickel Alloys stands out as a leading manufacturer and supplier of **Copper Nickel 70/30 Stud Bolts**, serving clients in **Cape Town, South Africa**. The company has built a solid reputation for crafting high-quality fasteners that deliver remarkable strength, corrosion resistance, and durability in tough environments. With a strong emphasis on precision engineering and adherence to international standards, Themba Nickel Alloys guarantees that its Copper Nickel 70/30 Stud Bolts fulfill the needs of various industries, including marine, oil and gas, and desalination. Their dedication to quality, reliability, and prompt delivery has established them as a trusted name in the global market.
The **Copper Nickel 70/30 Stud Bolts** are made up of roughly 70% copper and 30% nickel, with minor additions of iron and manganese to boost strength and corrosion resistance. This alloy is known for its outstanding resistance to seawater, stress corrosion cracking, and erosion. In terms of mechanical properties, these bolts exhibit a tensile strength ranging from about 350 to 500 MPa, along with high ductility and good weldability. They maintain their mechanical stability over a broad temperature range, making them perfect for both marine and industrial applications that require durability and reliability in harsh conditions.
| Specifications | ASTM B151 / ASME SB151 |
| Diameter | 1/4″-3″ Matric:M27 to M72 in length 2000mm |
| Dimensions | DIN 975/976, ASME B18.2.1, B18.31.3, B16.5 |
| DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
| UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
| ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
| Threads | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Type | Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling |
| Element | Cu | Mn | Pb | Ni | Fe | Zn |
| Copper Nickel 70/30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
You’ll find **Copper Nickel 70/30 Stud Bolts** widely utilized in industries that demand high corrosion resistance and strength, particularly in marine settings. They are commonly used in shipbuilding, offshore oil platforms, condensers, heat exchangers, and seawater piping systems. Moreover, these bolts play a crucial role in desalination plants, power generation units, and chemical processing equipment. Their ability to resist biofouling and endure high-pressure, saline, and acidic environments makes them an excellent choice for securing components exposed to seawater and other corrosive substances, ensuring a long service life and structural integrity in essential operations.
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Copper Nickel 70/30 stud bolts are widely used in marine and offshore applications due to their unusual resistance to sea corrosion and biofouling and are ideal for securing flange valves and pipelines in shipbuilding, desalination plants and in oil and gas platforms. These bolts are used in heat exchangers and condensers where high temperature and corrosion resistance are required. In addition, copper nickel 70/30 stud bolts are used in the electrical generation and chemical industry, where they provide a reliable fastening solution in harsh and hot environments, and monitoring realize the authenticity and durability of materials and equipment.
