Copper Nickel 90/10 Washers

Copper Nickel 90/10 Washers Manufacturer and Supplier in Canberra, Australia

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At Hazlewood Fasteners, we manufacture and supply high-quality Copper Nickel 90/10 Washers in Canberra, Australia, trusted for their exceptional resistance to seawater corrosion and long-term durability. These washers are made from a copper-based alloy containing 90% copper and 10% nickel, specifically designed for marine and industrial environments where strength and corrosion protection are essential. Copper Nickel 90/10 Washers provide reliable load distribution, vibration control, and leak prevention in piping and mechanical assemblies. They perform consistently in harsh, salt-rich atmospheres, making them a dependable choice for offshore structures, desalination plants, shipbuilding projects, and heat exchanger systems.

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Copper Nickel 90/10 Washers consist of 90% copper and 10% nickel, with controlled additions of iron and manganese to enhance tensile strength and seawater corrosion resistance. This alloy offers excellent protection against biofouling, stress corrosion cracking, and erosion in both flowing and stagnant seawater. These washers typically provide a tensile strength of around 350 MPa and good ductility, retaining structural stability at varying temperatures. Their consistent mechanical performance makes them suitable for long-term use in corrosive and high-moisture environments.

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.

Copper Nickel 90/10 Washers are widely used in shipbuilding, offshore oil and gas platforms, desalination plants, heat exchangers, seawater piping networks, and marine pump & valve assemblies. Their corrosion resistance makes them ideal for equipment that operates in constant contact with saline water. They are also used in power generation facilities, industrial cooling systems, and chemical processing plants, where stable, non-reactive sealing components are needed. Hazlewood Fasteners’ Copper Nickel 90/10 Washers provide reliable performance, long service life, and secure fastening support in some of the most demanding marine and industrial environments.

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Types of Copper Nickel 90/10 Washers

Copper Nickel 90/10 washers at Hazlewood 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.