Home > Copper Nickel > Copper Nickel 70/30 Stud Bolts
Ashraf Nickel Alloys stands out as a top manufacturer and supplier of Copper Nickel 70/30 Stud Bolts in Riyadh, Saudi Arabia. We provide robust and corrosion-resistant fastening solutions tailored for both marine and industrial applications. Crafted from a blend of 70% copper and 30% nickel, these stud bolts boas impressive resistance to seawater corrosion, stress corrosion cracking, and biofouling. Adhering to international standards, our Copper Nickel 70/30 Stud Bolts guarantee strength, precise dimensions, and a long lifespan. We proudly supply these high-quality fasteners to industries like shipbuilding, offshore oil & gas, desalination, power generation, and chemical processing, where reliability is essential.
Copper Nickel 70/30 Stud Bolts are made up of 70% copper and 30% nickel, with carefully controlled amounts of iron and manganese to enhance their strength and corrosion resistance. These bolts excel in resisting seawater, brackish water, and marine biofouling, making them ideal for offshore settings. They provide high tensile strength, toughness, and ductility while ensuring weldability and thermal stability. Their ability to resist stress corrosion cracking and erosion guarantees dependable fastening performance. Copper Nickel 70/30 Stud Bolts are designed to deliver lasting strength and durability, even in the toughest marine and industrial environments.
| 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 % |
At Ashraf Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel 70/30 Stud Bolts in Riyadh, Saudi Arabia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Saudi Arabia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
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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.
