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Amin Fasteners is a reputable manufacturer and supplier based in Safat, Kuwait, specializing in high-quality Copper Nickel 90/10 Washers designed for tough industrial and marine environments. Known for their precision, durability, and reliability, Amin Fasteners delivers washers that provide effective sealing, resist corrosion, and perform well over the long haul, even in high-pressure and humid conditions. These Copper Nickel 90/10 Washers find their place in various sectors, including marine, offshore, desalination, chemical processing, and oil and gas industries. With cutting-edge production techniques, rigorous quality checks, and prompt delivery, Amin Fasteners has built a solid reputation as a dependable source for strong and long-lasting fastening and sealing solutions.
Crafted from a copper-nickel alloy that consists of 90% copper and 10% nickel, Copper Nickel 90/10 Washers boast exceptional corrosion resistance, particularly in seawater and harsh chemical environments. This unique blend also provides impressive tensile strength, durability, and resistance to wear and deformation when faced with mechanical stress. These washers are engineered to evenly distribute loads, prevent leaks, and maintain secure connections under high pressure and varying temperatures. Their precise dimensions and smooth surfaces guarantee effective sealing in critical applications.
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Copper Nickel 90/10 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 max | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 90/10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| Specifications | ASTM B151 / ASME SB151 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 – M100 | 3/6″ – 4″ | Custom Sizes |
| Length | 3 mm – 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Form | Square, Round as per Gauge Etc. |
| Head | Square, Round, Plain |
| Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
| Surface Treatment | Passivation /plain |
| Others Factor | OEM, ODM, ±0.03MM tolerance |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
| Packing | IN BULK: carton, pallet, Small Boxes or customer request |
| Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merk blatt AD 2000 W2 Certified |
| Certification | Dual Certified As per ASTM & ASME Codes |
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 90/10 washers are widely used in marine applications such as in ships and offshore platforms where the material has to withstand the effects of seawater. They are widely used in desalination plants as they provide a reliable protection against chloride influence. Furthermore, these washers are used in chemical processing industries, heat exchangers, and other industries where high durability and resistance to various conditions contribute to the stability and performance of the products.
Copper Nickel 90/10 Washers are essential in industries that demand corrosion-resistant, high-strength, and durable sealing solutions. They are frequently used in marine vessels, offshore platforms, desalination facilities, heat exchangers, pipelines, pumps, and valves. Additionally, these washers are vital in chemical processing plants, oil and gas operations, and power generation units where exposure to seawater, corrosive substances, or high humidity is common. Their outstanding mechanical properties and corrosion resistance ensure dependable performance and a long service life.
Amin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Safat, Kuwait, with over 8 years of experience serving global industries.
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