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Amin Fasteners stands out as a top-notch manufacturer and supplier based in Safat, Kuwait, specializing in high-quality Copper Nickel 90/10 Nuts that are perfect for tough industrial and marine settings. Renowned for their precision in manufacturing, durability, and dependable performance, Amin Fasteners provides fastening solutions that excel in corrosive, high-moisture, and high-temperature conditions. Their Copper Nickel 90/10 Nuts find extensive use in various sectors, including marine, offshore, desalination, chemical processing, and oil and gas industries. Thanks to their advanced production methods, rigorous quality control, and prompt delivery, Amin Fasteners has built a reputation as a reliable source for robust, long-lasting, and trustworthy fastening components.
Crafted from a copper-nickel alloy that consists of 90% copper and 10% nickel, Copper Nickel 90/10 Nuts boast exceptional resistance to corrosion, particularly in seawater and chemically aggressive settings. This unique blend guarantees impressive tensile strength, toughness, and durability even when faced with mechanical and thermal stress. On a mechanical level, these nuts provide excellent ductility, wear resistance, and the capability to maintain secure fastening under varying loads and high temperatures. Their precision threading and consistent dimensions make them a perfect fit for high-performance systems that demand reliable, leak-proof connections.
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro 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 |
| Cupro 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 | Hex, Threading, Square, Round as per Gauge Etc. |
| Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
| 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 Nuts are widely used in marine applications such as in ships and offshore platforms where the material is required to have excellent resistance to corrosion in seawater. They are very essential in the desalination plants since they provide a good barrier against chloride corrosion. Moreover, these nuts are used in chemical processing industries, heat exchangers and other industrial uses where the nuts are expected to last long and perform under very harsh conditions.
In industries that require corrosion-resistant, high-strength, and durable fastening solutions, Copper Nickel 90/10 Nuts are a go-to choice. They are frequently used in marine vessels, offshore platforms, desalination plants, heat exchangers, pipelines, pumps, and valves. Additionally, these nuts are essential in chemical processing facilities, oil and gas operations, and power generation systems where exposure to seawater, corrosive chemicals, or humid conditions is common. Their outstanding mechanical properties and corrosion resistance ensure a long service life, dependable operation, and minimized maintenance needs.
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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