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Hamad Fasteners, located in Riyadh, Saudi Arabia, is a reputable manufacturer and supplier of high-performance fasteners tailored for critical industrial applications. Our Copper Nickel 70/30 Stud Bolts are crafted for exceptional strength and remarkable corrosion resistance, especially in marine and high-salinity settings. These fasteners are commonly utilized in shipbuilding, offshore structures, desalination plants, and heat exchangers, making them perfect for submerged and coastal installations. Manufactured to meet international quality standards, our Copper Nickel 70/30 Stud Bolts guarantee reliable performance, structural integrity, and a long lifespan even in the toughest conditions.
These bolts are made up of about 70% copper and 30% nickel, with added iron and manganese to boost their strength and corrosion resistance. They provide greater mechanical strength compared to 90/10 grades, with tensile strength typically ranging from 310 to 480 MPa. This alloy is known for its excellent resistance to seawater corrosion, stress corrosion cracking, erosion, and biofouling. It also maintains thermal and structural stability in changing marine environments, making it ideal for high-pressure and high-temperature applications in seawater and brine systems.
Grade | Cu | Mn | Pb | Ni | Fe | Zn |
Cupro Nickel 70/30 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 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 | Copper Nickel Stud Bolts |
|---|---|
| Grades | Cooper Nickel 70/30 |
| ASTM / ANSI | ASME SB 151/ ASTM B151 |
| Size | M2 – M160 |
| Threads: | BSW, METRIC, UNF, UNC, BSF,or as required |
| Copper Nickel 70/30 Stud Bolts Length | 3 mm to 200 mm |
| other sizes | M20, M2, M12, M2.5, M10, M6, M24, M4, M3, M30, M5, M36, M8, M14, M16 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 Stud Bolts find extensive use in seawater cooling systems, condenser tubes, marine hardware, desalination equipment, heat exchangers, and offshore platforms. They are particularly well-suited for flanged joints and structural connections that are exposed to salt-laden atmospheres and constant water contact. Their strong resistance to corrosion, erosion, and biofouling means less frequent maintenance and a longer service life. Copper Nickel 70/30 provides a robust and dependable fastening solution for critical applications where both mechanical performance and environmental resistance are crucial.
Copper Nickel 70/30 stud bolts at Hamad Fasteners are packed in a way that retains their quality. Every stud bolt is protected and packed individually in moisture proof containers to ensure it is not damaged or contaminated. Proper labeling of the products makes it easier to identify them and also to manage them with a lot of ease. Our packaging process ensures that the stud bolts are well protected and are in good condition when they get to the customers, thus our promise of quality products and services.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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