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Cupro Nickel 70/30 Fasteners
Cupro-Nickel 70/30 Fasteners are hardware components made from an alloy known as Copper-Nickel 70/30, also known as C71500. This alloy is a combination of 70% copper and 30% nickel, with trace amounts of iron and manganese. The chemical composition of Cupro-Nickel 70/30 provides a unique set of properties that make it suitable for various engineering applications.
One of the key features of Cupro-Nickel 70/30 Fasteners is its excellent resistance to seawater corrosion and biofouling. This alloy is widely used in marine environments, particularly in applications where corrosion resistance is crucial. Cupro-Nickel 70/30 Fasteners exhibit superior resistance to marine organisms, chloride-induced corrosion, and erosion, making them ideal for applications in shipbuilding, offshore platforms, and seawater-cooled systems.
Cu-Ni Alloy 70/30 Fasteners, Copper Nickel 70/30 Bolts, 2.0882 Bolt, ASTM B151 Cupro Nickel Alloy 70/30 Fasteners, ASTM B151 Cupro Nickel 70/30 Washer, Cupro Nickel 70/30 Washers, Cupro Nickel 70/30 Fasteners Manufacturers in India.
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UNS
C71500
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WNR
2.0882
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ASTM / ASME
ASTM B151, ASME SB151
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Another significant feature of Cupro-Nickel 70/30 Fasteners is their exceptional strength and ductility. This alloy possesses a good balance of mechanical properties, making it easy to work with during fabrication processes such as forming, machining, and welding. Its high strength allows Cupro-Nickel 70/30 Fasteners to withstand mechanical stresses and loads encountered in various marine and industrial applications.
Corrosion resistance is one of the most important qualities of Cupro-Nickel 70/30 Fasteners. The alloy develops a protective oxide layer in seawater, enhancing its resistance to corrosion and minimizing the risk of galvanic corrosion when coupled with other metals. This makes it an excellent choice for fastening critical components in marine environments, such as propellers, heat exchangers, and condensers.
DIN 2.0882 Tab Washer, Cupro Nickel 70/30 T Nuts, CuNi UNS C71500 Carriage Bolts, ASME SB151 Cupro Nickel 70/30 Hex Nuts, UNS C71500 Plain Washer, Cupro Nickel 70/30 Nuts, Cupro Nickel 70/30 Studs, 70/30 Cupro Nickel Rivet Nuts, Cupro Nickel 70/30 Fasteners Manufacturers in India.
Cupro Nickel
70/30 Bolts and Nuts Specification
| Specifications | ASTM B151, ASME SB151 |
| Standard | DIN, ASTM, BS and all International Standards |
| Size | M3 to M90 |
| Length | 10mm to 1000mm |
| 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 Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
Cupro-Nickel 70/30 Fasteners are widely used in marine construction and naval applications due to their outstanding resistance to seawater corrosion and biofouling. They are employed in fastening components exposed to harsh marine environments, including ship hulls, heat exchangers, and underwater equipment. Additionally, they are used in offshore oil and gas platforms, desalination plants, and seawater-cooled power generation facilities. Their combination of corrosion resistance, strength, and ductility makes them well-suited for critical fastening purposes in marine and industrial settings.
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Equivalent Grades Of Cupro Nickel 70/30 Fasteners
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Copper Nickel 70/30 | 2.0882 | C71500 |
Chemical Composition of Cupro Nickel 70/30 Fasteners
| 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 |
Mechanical Properties of Cupro Nickel 70/30 Fasteners
| 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 % |
Types of Cupro Nickel 70/30 Fasteners
Cupro Nickel 70/30 Nuts
CuNi 70-30 Bolt
Cupro Nickel 70/30 Washer
70-30 Cu-Ni Stud Bolts
Cupro Nickel Alloy 70/30 Hex Bolt
Cupro Nickel 70/30 Threaded Rod
70/30 Copper Nickel Anchor Bolt
Cupro Nickel 70/30 Spring Washer
Fasteners Manufacturers In India
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Nut proof load testing to ISO 898-2
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Suitability for preloading to EN 14399-2
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Calibrated gauges and tools
Other Types Of Cupro Nickel 70/30 Fastener
| Copper Nickel 70/30 Bolts | Cupro Nickel 70/30 Hex Bolt |
| Copper Nickel 70/30 Hex Bolt | 70/30 Copper Nickel Fasteners |
| UNS C71500 Copper Nickel 70/30 Stud Bolts | Din 2.0882 Copper Nickel Threaded Rod |
| Copper Nickel 70/30 Spring Washer | Cu Ni 70/30 Fasteners |
| Copper Nickel 70/30 Fasteners | Cupro Nickel (Cu-Ni) 70/30 Fasteners |
| Cu-Ni UNS C71500 70/30 Spring Washers | ASTM B151 70/30 Cupro Nickel Hex Bolt |
Cupro Nickel 70/30 Fastener Application Industries
