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Russ Fasteners provides superior quality Copper Nickel Screws in Singapore, Pulau Ujong, to provide improved fastening solutions for seawater, desalination, and chemical environments. The screws are produced from corrosion-resistant CuNi 90/10 or 70/30 alloys and are specifically suitable for application in seawater-exposed structures. Russ Fasteners provides precision engineering, strength, and dimensional accuracy to international standards. Whether for shipbuilding, underwater components, or heat exchangers, Copper Nickel Screws provide superior mechanical strength and galvanic corrosion resistance. They come in various sizes and finishes and are the dependable fastener for applications in severely corrosive environments.
Copper Nickel Screws are manufactured from CuNi 90/10 (90% copper and 10% nickel) or CuNi 70/30 (70% copper and 30% nickel) alloys. They contain minor amounts of iron and manganese for added strength and corrosion resistance. These screws have tensile strengths of 300–500 MPa, high pitting and crevice corrosion resistance, and superior biofouling resistance. Copper Nickel Screws are non-sparking and non-magnetic, retaining structural integrity in marine and acidic environments, and possessing excellent thermal conductivity and mechanical stability in underwater or corrosive services.
| 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 are used extensively in shipbuilding, marine construction, heat exchangers, and desalination plants. They are suitable for securing pumps, valves, and seawater and corrosive chemicals exposed pipe supports. In offshore platforms and coastal structures, the screws ensure durable corrosion resistance. The non-magnetic and non-sparking characteristics of the screws also find applications in sensitive naval and instrumentation systems. Copper Nickel Screws avoid galvanic corrosion when employed with compatible materials and are the preferred solution in fields where prolonged service life and structural safety are paramount under corrosive environments.
Copper Nickel screws at Russ 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.
Russ Fasteners is a leading manufacturer and supplier of high-quality fasteners in Pulau ujong, Singapore , with over 12 years of experience serving global industries.
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