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Murad Fasteners stands out as a top manufacturer and supplier in Doha, Qatar, specializing in high-quality Copper Nickel 90/10 Nuts. These nuts are crafted for outstanding corrosion resistance, durability, and dependable fastening performance. Using cutting-edge production methods and rigorous quality control, Murad ensures that each nut features precise threading and accurate dimensions, making them perfect for long-term use in tough industrial and marine settings. They offer a variety of sizes and specifications to meet both international standards and specific project needs. These Copper Nickel 90/10 Nuts are widely utilized in the offshore, marine, and chemical sectors throughout Qatar and the Middle East, guaranteeing secure and reliable bolted connections even in challenging conditions.
Made from a copper-nickel alloy that consists of 90% copper and 10% nickel, with trace amounts of iron and manganese for added strength, these nuts excel in resisting seawater corrosion, biofouling, and erosion. They boast impressive mechanical properties, including good tensile strength, high ductility, toughness, and stability under fluctuating temperatures and pressures. This means they can handle significant loads and resist wear, ensuring they perform well in aggressive marine and chemical environments over time.
| 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 essential in industries where corrosion resistance and mechanical reliability are crucial. You’ll find them in marine and offshore structures, shipbuilding, desalination plants, heat exchangers, condensers, and piping systems. They also play a vital role in chemical processing, power generation, and coastal infrastructure projects. Thanks to their durability, resistance to seawater and harsh substances, and low maintenance requirements, these nuts are perfect for flanged joints, bolted connections, and critical assemblies that face tough and saline conditions, delivering secure and lasting fastening performance.
Our Copper Nickel 90/10 Nuts at Murad Fasteners are properly packed so that they do not reach the client in a damaged state. Every nut is covered and packed separately in strong and moisture-proof packets to avoid the spoilage and deterioration. Proper labeling helps in quick identification and management of the items. Our packing process ensures that the nuts do not lose their quality and are ready for use, which is a clear depiction of our quality products and excellent customer relations.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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