Cupro Nickel 70/30 hex bolts are a type of fastener known for their exceptional corrosion resistance and durability. Composed of 70% copper and 30% nickel, this alloy is highly regarded for its ability to withstand harsh marine environments, making it a popular choice in various industries, including shipbuilding, offshore oil and gas, and desalination plants.


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Cupro Nickel 70/30 Hex Bolts
  • UNS

    C71500

  • WNR

    2.0882

  • ASTM / ASME

    ASTM B151 / ASME SB151

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Cupro Nickel 70/30 Hexagonal Bolt, CuNi 70/30 Heavy Hex Head Bolt Stockist, Copper Nickel 70-30 Hex Bolt Manufacturers, Cu-Ni 70/30 Hex Bolt Suppliers, Cupro Nickel 70/30 Hex Shoulder Bolt.


Key Features of Cupro Nickel 70/30 Hex Bolts:

  • Corrosion Resistance: Cupro Nickel 70/30 hex bolts are celebrated for their remarkable resistance to corrosion, particularly in saltwater and other corrosive environments. This attribute makes them ideal for applications where exposure to moisture is a concern.
  • Strength and Durability: The 70/30 copper-nickel alloy combines the strength of copper with the corrosion resistance of nickel. This results in a robust and long-lasting fastening solution that can withstand the test of time, even in challenging conditions.
  • Excellent Heat Resistance: Cu-Ni 70/30 hex bolts can operate effectively at elevated temperatures. Their heat resistance is valuable in applications where the fasteners are exposed to high temperatures or thermal cycling.
  • Low Maintenance: With their exceptional corrosion resistance and durability, these hex bolts require minimal maintenance. This quality reduces the need for frequent replacements and upkeep, ultimately saving time and costs.
  • Biocompatibility: Cupro Nickel 70/30 hex bolts are considered safe for use in medical equipment and applications where biocompatibility is essential. The alloy is non-toxic and suitable for contact with human skin and tissue.


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fevicon-logo Copper Nickel 70/30 Hex Bolts Specification

SpecificationsASTM B151 / ASME SB151
StandardISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards
SizeM3 – M56 | 3/6″ to 2″ | Custom Sizes
Length 3 to 200 mm
DIN StandardB.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913
UTS NPT, UNS, UNF, UNC, UNEF, NPTF
ISO ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards
Threads UNF, BSW, BSF, METRIC, UNC, or as required
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Applications of Cupro Nickel 70/30 Hex Bolts:

  • Marine and Offshore: Copper Nickel 70/30 hex bolts are widely used in the construction of ships, offshore platforms, and marine equipment. Their resistance to saltwater corrosion ensures the structural integrity and safety of these critical maritime assets.
  • Desalination: In desalination plants, where saltwater is transformed into freshwater, these hex bolts are employed in the machinery and equipment used for the desalination process. Their corrosion resistance is crucial in this application.
  • Heat Exchangers: Cupro Nickel 70/30 hex bolts are used in heat exchangers, especially in systems that handle high-temperature and high-pressure conditions. Their heat resistance and durability make them a reliable choice.
  • Petrochemical Industry: Hex bolts made from Cupro Nickel 70/30 find applications in the petrochemical industry, particularly in equipment exposed to corrosive substances. Their resistance to chemicals and seawater makes them an ideal choice.


Quality Assurance

To preserve the high standards of our selection of industrial Hex Bolt, we have always adhered to a systematic quality management process.

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fevicon-logo Equivalent Of Cupro Nickel 70/30 Hex Bolts

STANDARD WERKSTOFF NR. UNS
Cupro Nickel 70/30 2.0882 C71500

fevicon-logo Chemical Composition of Cupro Nickel 70/30 Hex Bolts

Grade Cu Mn Pb Ni Fe Zn
Cu-Ni 70-30 65.0 min 1 max .05 max 29-33 0.4-1.0 1 max

fevicon-logo Mechanical Properties of CuNi 70-30 Hex Bolts

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Copper Nickel 70-30 0.323 lb/in3 at 68 F 2260 F 50000 psi 20000 psi 30 %

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fevicon-logo Types of Copper Nickel Alloy 70/30 Hex Bolts

Hex Bolt

Copper Nickel 70/30 Hex Bolt

Heavy Hex Bolt

CuNi 70/30 Heavy Hex Bolt

Hex Tap Bolt

Cupro Nickel 70/30 Hex Tap Bolt

Hex Flange Bolt

Copper Nickel 70-30 Hex Flange Bolt

Half Threaded Hex Bolt

Cu Ni 70/30 Half Threaded Hex Bolt

Fully Threaded Hex Bolt

Copper Nickel 70/30 Fully Threaded Hex Bolt

Hex Machine Bolt

Cupro Nickel 70/30 Hex Machine Bolt

Hex Shoulder Bolt

CuNi 70/30 Hex Shoulder Bolt


Hex Bolt Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools


fevicon-logo Other Types Of Cupro Nickel 70/30 Hex Bolts

UNS C71500 Hex Bolts Cupro Nickel 70-30 Hex Bolt Stockist
ASME SB151 Cupro Nickel 70/30 Hex Bolt Cupro Nickel Alloy 70/30 Hex Bolts
Cupro Nickel Alloy 70/30 Heavy Hex Bolt Manufacturer ASTM B151 Cupro Nickel 70/30 Heavy Hex Bolt
70/30 Cupro Nickel Heavy Hexagon Bolt Cu-Ni Alloy 70/30 Heavy Hex Bolt Manufacturer in Mumbai
Cupro Nickel 70/30 Alloy Hex Flange Bolt Manufacturer ASME SB151 Cupro Nickel 70/30 Hex Flange Bolt
AISI 70/30 Half Thread Hexagon Bolts Exporter Cu-Ni Alloy 70/30 Half Threaded Hex Bolt
Cupro Nickel Alloy 70/30 Fully Threaded Hex Bolt Supplier UNS C71500 Fully Threaded Hex Bolts
ASTM B151 Cupro Nickel 70/30 Fully Threaded Hex Bolt AISI 70/30 Fully Threaded Hexagon Bolts Exporter

fevicon-logo CuNi 70/30 Hex Bolts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
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