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Aria Fasteners, located in Hamilton, New Zealand, is a reputable manufacturer and supplier of top-notch Copper Nickel 90/10 Washers, catering to marine, offshore, and industrial sectors. With a strong focus on precision engineering and a commitment to international standards and quality control, they serve a variety of industries, including marine engineering, desalination, oil and gas, and chemical processing. Their washers are designed to withstand harsh environments, offering excellent corrosion resistance, mechanical strength, and long-lasting durability. Thanks to their dedication to technical expertise, prompt delivery, and customer satisfaction, Aria Fasteners has established itself as a leading global supplier of premium copper-nickel fastening solutions.
Copper Nickel 90/10 Washers are crafted from an alloy that consists of 90% copper and 10% nickel, which gives them remarkable resistance to seawater corrosion, oxidation, and chemical damage. They boast impressive tensile strength, toughness, and ductility, making them perfect for high-stress and high-pressure situations. These washers are engineered to evenly distribute loads, minimize vibration, and keep fasteners securely in place. Their corrosion-resistant features and durability in tough conditions make Copper Nickel 90/10 Washers an excellent choice for critical applications in marine, offshore, and chemical processing industries, where both performance and longevity are crucial.
| 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 commonly utilized in scenarios that demand reliable load distribution, secure fastening, and resistance to corrosion in extreme conditions. You’ll often find them in flanged joints, piping systems, pumps, valves, heat exchangers, and offshore platforms, ensuring stable, leak-free connections. Their ability to resist seawater, chemical attacks, and oxidation guarantees a long service life and consistent performance.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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