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Lina Fasteners is a trusted manufacturer and supplier of top-notch Copper Nickel Screws, proudly based in Tunis, Tunisia. We prioritize precision engineering, material integrity, and adherence to international quality standards, ensuring our screws are built for exceptional corrosion resistance and long-lasting performance. Our Copper Nickel Screws are crafted using advanced techniques that guarantee precise threading, consistent strength, and durability even in harsh environments. Catering to the marine, offshore, and industrial sectors, Lina Fasteners blends technical know-how, dependable supply, and a customer-centric approach to provide reliable fastening solutions around the globe.
Our Copper Nickel Screws are made from a copper alloy mixed with nickel, typically in 90/10 or 70/30 ratios, with small amounts of iron and manganese added to boost mechanical strength and corrosion resistance. This unique alloy offers remarkable protection against seawater, chlorides, and biofouling. In terms of mechanics, Copper Nickel Screws deliver solid tensile strength, excellent ductility, and high toughness, enabling them to endure vibration, thermal cycling, and stress corrosion cracking. Plus, they have low magnetic permeability.
| Copper Nickel | Ni | Pb | Cu | Fe | Mn | Zn |
| 9-11 max | 0.05 max | 88.6 min | 1.8 max | 1.0 max | 1 max |
| Density | Elongation | Yield Strength (0.2%Offset) | Melting Point | Tensile Strength |
| 8.1 g/cm3 | 30 % | Psi – 35,000, MPa – 241 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 |
| Specifications | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Size | 1/2” to 12″ |
| Standards | ASTM, ASME Washer, ANSI Washer, DIN Washer, EN Washer, BS Washer etc |
| Grade | Copper & Copper Nickel Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Copper Nickel Screws find their place in marine and offshore settings where corrosion resistance is a must. You’ll often see them in shipbuilding, coastal structures, seawater piping systems, heat exchangers, and desalination plants. They’re also utilized in the oil and gas, power generation, and chemical processing industries that operate in salty or humid conditions. Thanks to their durability, non-sparking characteristics, and resistance to galvanic corrosion, Copper Nickel Screws are perfect for long-term use in tough and demanding environments.
Copper Nickel screws at Lina Fasteners are packed carefully so that their quality is not compromised in any way. Every screw is packed in a protective material to avoid any form of damage, rusting, or contamination during transportation. Our packaging material is a durable carton and we provide packaging services to suit your particular needs. The products are well packed and labeled to ensure easy identification and handling to show our commitment in providing quality products in good condition.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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