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At Aisha Nickel Alloys, a leading manufacturer and supplier based in Muscat, OMAN, we specialize in high-quality copper-nickel screws designed for optimal performance in challenging environments. Our copper-nickel screws are engineered to offer exceptional resistance to corrosion, high tensile strength, and durability, making them ideal for marine, chemical, and industrial applications. Trust in Aisha Nickel Alloys for reliable, precision-crafted fasteners that meet the highest standards of quality and reliability.
Copper Nickel Screws are top-notch fasteners crafted specifically for challenging corrosive and marine environments. Made from copper-nickel alloys like 70/30 or 90/10, these screws excel at resisting seawater corrosion, oxidation, and biofouling. They’re precision-engineered to deliver strong threads and secure fastening, ensuring a long service life—perfect for applications where reliability and durability are a must. You’ll find Copper Nickel Screws commonly used in shipbuilding, offshore platforms, seawater piping, and various industrial settings where corrosion resistance and mechanical strength are vital.
| 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 |
| 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 |
On the mechanical side, Copper Nickel Screws boast impressive tensile strength, ductility, and toughness. The nickel content boosts their resistance to stress corrosion cracking, while small amounts of iron and manganese enhance overall strength and stability. These screws perform well under vibration, high pressure, and temperature fluctuations, guaranteeing secure connections even in tough conditions.
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You’ll often see Copper Nickel Screws in marine engineering, desalination plants, heat exchangers, chemical processing equipment, and power generation systems. With their outstanding corrosion resistance, long lifespan, and minimal maintenance needs, Copper Nickel Screws are the go-to choice for critical industrial and marine fastening tasks.
