Copper Nickel 90/10 Bolts

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Copper Nickel 90/10 Bolts Manufacturer and Supplier in Delhi, India

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Punit Fasteners is a top manufacturer and supplier of Copper Nickel 90/10 Bolts in Delhi, India. These bolts are made from a strong copper-nickel alloy (90% copper, 10% nickel) specifically designed for marine and corrosion-prone environments. Known for their excellent resistance to saltwater, brine, and biofouling, Copper Nickel 90/10 Bolts are widely used in shipbuilding, desalination plants, and offshore projects. We produce hex bolts, stud bolts, and custom designs following ASTM B151 and B122 standards. Punit Fasteners guarantees top quality, accurate dimensions, and long-term reliability for critical fastening needs in difficult industrial settings.

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Copper Nickel 90/10 Bolts consist of roughly 90% copper and 10% nickel, with small amounts of iron and manganese added for better strength and corrosion resistance. These bolts provide a tensile strength between 275–370 MPa and yield strength around 105 MPa. Brinell hardness usually ranges from 60–80. They show great resistance to seawater corrosion, erosion, and scaling as well as good thermal stability. The alloy’s non-magnetic properties and excellent weldability make these bolts suitable for both structural and electrical uses in marine and industrial conditions.

Copper Nickel 90/10 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 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 Bolts Specification

Material	Copper Nickel Bolts
Grades	Copper Nickel 90/10
ASTM / ANSI	ASME SB 151/ ASTM B151
Size	M2 – M160
Threads:	BSW, METRIC, UNF, UNC, BSF,or as required
Copper Nickel Bolts Length	3 mm to 200 mm
other sizes	M20, M2, M12, M2.5, M10, M6, M24, M4, M3, M30, M5, M36, M8, M14, M16 etc.

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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 Bolts are commonly used in marine engineering, including ship hulls, seawater cooling systems, and ballast water systems. They are also found on offshore oil platforms, heat exchangers, desalination plants, and chemical processing units exposed to saltwater or corrosive chemicals. These bolts provide secure fastening in piping systems, flanges, pumps, and valves operating in harsh environments. Their resistance to biofouling makes them ideal for submerged applications, while their thermal conductivity and anti-sparking features make them suitable for electrical and fire protection systems. These bolts are a dependable choice for long-term durability in demanding coastal and marine setups.

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Types of Copper Nickel 90/10 Bolts

Copper Nickel 90/10 bolts that we sell at Punit Fasteners are carefully packed so that they can reach the client in the best condition. Every bolt is protected and sealed to ensure that they do not get contaminated or damaged and they are packed in moisture proof containers. Proper labeling also helps in identification and management of the items which are intended to be stored. This ensures that the bolts are not compromised in any way and are ready for use as soon as they get to the client, thus underlining our policy of providing high-quality products and excellent services.