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MUKAU FASTENERS is a prominent manufacturer and supplier located in Kinshasa, Congo, specializing in high-quality Copper Nickel 90/10 Fasteners. These fasteners are crafted for exceptional performance in marine, offshore, and industrial settings. Thanks to their remarkable resistance to corrosion, biofouling, and seawater, they’re perfect for applications that face tough conditions. With a commitment to precision engineering, durability, and adherence to international quality standards, MUKAU FASTENERS guarantees that each Copper Nickel 90/10 Fastener provides outstanding mechanical strength, thermal stability, and long-lasting reliability for a variety of engineering and structural needs.
Copper Nickel 90/10 Fasteners are made up of 90% copper and 10% nickel, with a touch of iron and manganese added to boost their strength and corrosion resistance. They showcase impressive mechanical properties, including high tensile strength, solid hardness, and excellent resistance to seawater and stress corrosion cracking. Additionally, these fasteners are known for their great ductility, weldability, and thermal conductivity, ensuring they perform reliably even under high temperatures and pressures in marine and industrial environments.
| 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 | DIN, ISO ,JIS ,GB, IS, BS, ASTM |
| Standard | ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472 |
| Size | M0.2 to M33 | 3/6″ to 2″ | Custom Sizes |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| 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 |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
| Packing | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Cadmium Coating Hot Dipped Galvanizing Coating Ptfe Coated Phosphate Coating Teflon Coating Xylon Coating Zinc Coating |
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 90/10 Fasteners in a range of industries, including shipbuilding, offshore oil and gas, desalination plants, and marine engineering, all thanks to their outstanding resistance to seawater corrosion and biofouling. They’re particularly well-suited for heat exchangers, condensers, and seawater piping systems. Beyond that, these fasteners are also utilized in power generation, chemical processing, and water treatment facilities. Their durability and anti-corrosive properties make them the go-to choice for fastening components that are exposed to saltwater, brine, and other corrosive environments, ensuring they maintain long-term reliability and structural integrity.
Our Copper Nickel 90/10 fasteners at Mukau Fasteners are packed to ensure that they do not lose their quality. Every fastener is covered and packed in a strong and moisture proof packet to ensure that they are not damaged or contaminated. Proper labeling helps in identification and sorting since it enables one to know what is where and how to manage it. Our packaging method is very keen in a way that the fasteners are delivered in perfect condition and are usable immediately to show our quality products and excellent customer relations.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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