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Mira Fasteners is your go-to manufacturer and supplier of Copper Nickel 90/10 Washers right here in Kuala Lumpur, Malaysia. We pride ourselves on delivering top-notch fastener solutions across various industrial sectors. Our Copper Nickel 90/10 Washers are well-known for their outstanding corrosion resistance and thermal stability, and they’re precision-engineered to meet international standards. Thanks to our advanced manufacturing techniques and strict quality control, you can count on us for durability, performance, and complete customer satisfaction. We serve a range of demanding industries, including marine, offshore, and power generation, ensuring timely delivery and customized sizes to fit your needs. Our dedication to excellence and innovation makes us a trusted partner for all your Copper Nickel 90/10 Washer needs in Malaysia.
These washers are made up of 90% copper and 10% nickel, with a touch of iron and manganese to boost their strength and corrosion resistance. They boast impressive mechanical properties, featuring a tensile strength of 310-350 MPa and good ductility. Plus, they excel in resisting seawater corrosion, stress corrosion cracking, and biofouling. Their thermal conductivity and oxidation resistance at high temperatures make them perfect for tough environments. Copper Nickel 90/10 Washers also maintain their structural integrity across temperature changes, ensuring reliable performance in challenging marine and industrial 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.
You’ll find Copper Nickel 90/10 Washers widely used in marine engineering, desalination plants, and shipbuilding, thanks to their remarkable resistance to seawater and saline conditions. In heat exchangers and condensers, they help keep assemblies leak-proof even under high thermal stress. Power plants and offshore oil platforms rely on these washers for their non-magnetic, corrosion-resistant qualities. They’re also a great fit for hydraulic systems, chemical processing units, and coastal infrastructure projects. With their ability to withstand biofouling and high-pressure environments, Copper Nickel 90/10 Washers are truly a reliable choice for demanding applications.
Copper Nickel 90/10 washers at Mira Fasteners are packed in a proper manner to ensure that they do not lose their quality. Every washer is protected and packed separately in strong and moisture-proof containers to avoid any harm or contamination. This makes it easier to identify the products and also to handle them since they are well labeled. It is for this reason that our packaging process is very thorough to ensure that the washers get to the customers in the best condition possible and be usable right from the packaging.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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