Copper Nickel 90/10 Stud Bolts

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Copper Nickel 90/10 Stud Bolts Manufacturer and Supplier in Hamilton, New Zealand

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Aria Fasteners, located in Hamilton, New Zealand, is a reliable manufacturer and supplier of top-notch Copper Nickel 90/10 Stud Bolts, designed for tough marine, offshore, and industrial settings. With a reputation for precision manufacturing and strict adherence to international standards, they cater to various industries, including shipbuilding, chemical processing, desalination, and coastal infrastructure. Their stud bolts are built to last, offering exceptional durability, corrosion resistance, and dependable mechanical performance even in the harshest conditions. Thanks to their commitment to technical expertise, customer satisfaction, and prompt delivery, Aria Fasteners has become a go-to source for premium copper-nickel fastening solutions around the globe.

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Copper Nickel 90/10 Stud Bolts are crafted from an alloy that consists of 90% copper and 10% nickel, along with small amounts of iron and manganese to enhance strength and hardness. This unique blend provides outstanding resistance to corrosion in seawater and other chemically aggressive environments. On the mechanical side, these stud bolts deliver moderate tensile strength, good ductility, and consistent performance under both thermal and mechanical stress. Their ability to resist dezincification, galvanic corrosion, and biofouling ensures they remain reliable over time, making them perfect for critical marine, offshore, and industrial applications where strength and corrosion resistance are vital.

Copper Nickel 90/10 Stud Bolts Chemical Composition

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

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Copper Nickel 90/10 Stud Bolts Mechanical Properties

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 %

Copper Nickel 90/10 Stud Bolts 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	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

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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.

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Copper Nickel 90/10 stud bolts are used in marine applications such as shipbuilding and offshore structures where the bolts are exposed to seawater. They are very useful in desalination plants because they offer adequate protection from chloride corrosion. Furthermore, these stud bolts are used in chemical processing industries, heat exchangers and other industries where high durability and high resistance to conditions make them to guarantee long term stability and reliability.

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Types of Copper Nickel 90/10 Stud Bolts

You’ll find Copper Nickel 90/10 Stud Bolts commonly used in marine, offshore, and coastal applications where durability and corrosion resistance are paramount. They’re often found in flanged joints, seawater piping, pumps, valves, heat exchangers, and structural connections in shipbuilding, desalination plants, chemical processing facilities, and offshore platforms. Their resistance to oxidation, chloride attack, and galvanic corrosion makes them a smart choice for ensuring long-lasting performance in demanding environments.