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Mazin Fasteners is a reliable manufacturer and supplier of Copper Nickel 70/30 Fasteners, proudly based in Muscat, Oman. They specialize in providing high-performance fastening solutions designed to withstand the toughest marine and industrial conditions. The company adheres to rigorous quality control measures and international standards, ensuring that their products are consistently reliable and durable. With state-of-the-art manufacturing facilities and a skilled technical team, Mazin Fasteners is known for delivering fasteners that boast outstanding corrosion resistance and a long lifespan. Their dedication to material traceability, precision engineering, and timely delivery makes them a go-to supplier for the marine, offshore, and desalination sectors.
Copper Nickel 70/30 Fasteners are crafted from an alloy that consists of about 70% copper and 30% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. This unique blend offers remarkable protection against seawater corrosion, biofouling, and stress corrosion cracking. These fasteners are known for their impressive tensile strength, high toughness, and excellent ductility. Their mechanical properties guarantee dimensional stability, dependable load-bearing capacity, and consistent performance, even under pressure and in harsh environmental conditions.
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
|---|---|---|---|---|---|---|
| Copper Nickel | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
| Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
| Elongation at break (in 381 mm) | 45.0% | 45.0% |
| Charpy impact | 107 J | 78.9 ft-lb |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 57.0 GPa | 8270 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elastic modulus | 150 GPa | 21800 ksi |
| Grade | Cupro Nickel |
| Specifications | ASTM / ASME SB 151, SB 152 |
| Standards | DIN, ASTM, BS and all International Standards |
| Length | UPTO 5 METERS |
| Size | M4 To M100 | Custom Sizes |
| Form | Nuts, Bolts, Washers, Screw |
| Types | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts, Hex Head Nut, Eye Nut, Dome Nut, Coupling Nut, Square Nut, Acorn Nut, Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Socket Head Screws, Concrete Screws, Shoulder Screws, Threaded Screws, Machine Screws, Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer etc. |
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 70/30 Fasteners find extensive use in environments that are constantly exposed to seawater and other aggressive marine conditions. They are commonly utilized in shipbuilding, offshore platforms, desalination plants, seawater piping systems, heat exchangers, and condensers. Additionally, these fasteners are widely employed in oil and gas facilities, coastal infrastructure, and marine equipment where corrosion resistance and protection against biofouling are essential. They perform reliably even with continuous exposure to saltwater, high humidity, and fluctuating temperatures, making them perfect for safety-critical and long-term applications in marine and industrial settings.
At Mazin Fasteners are packaged in a way that retains the quality of Copper Nickel 70/30. The fasteners are also protected and packed separately in strong and moisture proof packs to avoid rusting and contamination. Proper labeling makes it easier to identify the product and also makes handling easier. Our accurate packaging ensures that the fasteners reach the customers in the right condition and are usable immediately, which is a testimony of our quality products and excellent customer relations.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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