Copper Nickel 90/10 Washers

Copper Nickel 90/10 Washers Manufacturer and Supplier in Kinshasa, Congo

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MUKAU FASTENERS, a reliable manufacturer and supplier located in Kinshasa, Congo, proudly offers top-notch Copper Nickel 90/10 Washers that are built to last and resist corrosion. These washers are crafted to perform consistently in marine, chemical, and industrial settings. With their outstanding resistance to seawater corrosion, biofouling, and stress cracking, Copper Nickel 90/10 Washers are perfect for tough applications. MUKAU FASTENERS guarantees that each washer is meticulously made to meet international standards, providing exceptional mechanical stability and a long lifespan for demanding engineering and construction projects.

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Copper Nickel 90/10 Washers consist of 90% copper and 10% nickel, along with small amounts of iron and manganese to enhance strength and corrosion resistance. They showcase impressive ductility, toughness, and thermal conductivity, paired with moderate tensile and yield strength. The alloy’s microstructure offers remarkable resistance to seawater corrosion, stress cracking, and erosion, ensuring they perform well over time. Even in high-pressure and high-temperature situations, Copper Nickel 90/10 Washers maintain their excellent mechanical properties.

Copper Nickel 90/10 Washers Chemical Composition

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

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Copper Nickel 90/10 Washers Mechanical Properties

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 %

Copper Nickel 90/10 Washers Specification

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

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Commited to High Quality Service

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, shipbuilding, desalination plants, and offshore oil and gas operations, thanks to their exceptional resistance to saltwater corrosion. They’re perfect for heat exchangers, condensers, cooling systems, and piping connections that come into contact with seawater or brine. Moreover, these washers are utilized in power generation, chemical processing, and HVAC systems where durability and corrosion resistance are essential. Their outstanding conductivity and stability also make them a great choice for electrical and mechanical assemblies in demanding industrial environments.

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Types of Copper Nickel 90/10 Washers

Copper Nickel 90/10 washers at Mukau 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.