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Mazin Fasteners is a reliable manufacturer and supplier of Copper Nickel 70/30 Nuts, proudly based in Muscat, Oman. We specialize in providing top-notch fastening solutions tailored for marine, chemical, and industrial applications. Our nuts are crafted with precision to ensure outstanding corrosion resistance, durability, and reliability, especially in harsh environments like seawater and brackish water. At Mazin Fasteners, we adhere to international standards, utilizing advanced production techniques and rigorous quality control to deliver the best Copper Nickel 70/30 nuts. Our dedication to quality, prompt delivery, and customer satisfaction allows us to support industries throughout Oman and the Middle East with dependable, long-lasting, and efficient fastening solutions.
The Copper Nickel 70/30 nuts are made from a blend of about 70% copper and 30% nickel, with a touch of iron and manganese to boost their mechanical strength and corrosion resistance. This unique composition gives them remarkable resistance to seawater corrosion, biofouling, and stress corrosion cracking. These nuts are known for their high tensile and yield strength, impressive toughness, and excellent ductility. They consistently deliver reliable mechanical performance and long-lasting durability in tough marine and industrial settings, making them perfect for critical applications.
| 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 |
|
Material |
Specification |
Standards |
Size |
|
Cupro Nickel
|
ASTM
|
ASTM B151, B152 |
M10 to M100
|
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.
You’ll find Copper Nickel 70/30 nuts in a variety of applications that face exposure to seawater, brackish water, and chemically aggressive conditions. They’re commonly used in shipbuilding, offshore platforms, desalination plants, power generation, and marine engineering. Typical uses include piping systems, valves, pumps, flanged joints, and heat exchangers. Thanks to their exceptional corrosion resistance, mechanical strength, and durability, these nuts ensure a long service life, operational safety, and minimal maintenance in essential marine and industrial installations.
Our Copper Nickel 70/30 Nuts at Mazin Fasteners are packed in a manner that they reach the clients in the best condition possible. Every nut is covered and placed in hard-wearing, moisture-proof packets to avoid spoilage and harm. Proper labeling enhances identification and management of the items. The nuts are packed carefully to ensure that they retain their high quality and are ready for consumption, thus showcasing our company’s dedication to providing high-quality products and excellent customer care.
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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