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Hamad Fasteners, a well-respected manufacturer and supplier based in Riyadh, Saudi Arabia, is known for delivering top-notch fastening solutions that excel in tough industrial settings. Among their impressive lineup, Copper Nickel washers really shine due to their outstanding resistance to seawater corrosion, biofouling, and stress cracking. Crafted with precision and in line with global standards, these washers offer remarkable strength, durability, and a long lifespan, even in the most challenging marine and chemical environments. With a strong focus on quality and reliability, Hamad Fasteners serves industries like shipbuilding, desalination, offshore oil and gas, and power generation with trusted fastening solutions.
Copper Nickel washers are primarily made from copper, with carefully controlled amounts of nickel, along with small additions of iron and manganese to boost their corrosion resistance and mechanical properties. This unique alloy structure provides excellent protection against seawater, chlorides, and brine solutions, while also ensuring toughness and resistance to fatigue. Mechanically, they boast good tensile strength, ductility, and long-term stability, making them perfect for high-stress and corrosive conditions. Their anti-biofouling properties further guarantee reliable performance in marine settings.
| 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.
These washers find their place in industries where fastening components are regularly exposed to seawater and harsh chemicals. Common applications include shipbuilding, seawater piping systems, offshore platforms, heat exchangers, pumps, and desalination plants. They’re also utilized in power generation and petrochemical sectors for equipment that faces brine and aggressive media. The combination of durability, corrosion resistance, and reliability makes Copper Nickel washers a vital choice for ensuring secure and long-lasting fastening in critical marine and industrial applications.
Copper Nickel washers at Hamad Fasteners are packed carefully to retain the quality of the product that we provide. To ensure that each washer is not damaged or corroded, or contaminated in any way during transport, they are packed separately and covered with protective materials. We employ the use of hard-wearing cartons and ensure that we meet your packaging requirements as desired. Proper labeling and packing helps in easy identification and handling of products, which is a testimony to our promise of quality products in good condition.
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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