Welcome to GIC Fasteners, your premier source for high-quality Cupro Nickel 70/30 Nuts that adhere to a range of global standards, including DIN, ASTM, ISO, and BS specifications, as well as equivalent international standards. As a leading manufacturer in the industry, we take pride in delivering top-notch CuNi 70/30 fasteners that meet and exceed your expectations. Whether you require DIN 934 CuNi 70/30 Nuts, ASTM B151 Cupro Nickel Nuts, or custom solutions, our commitment to precision and durability ensures you get the best-in-class products for your applications. Explore our extensive range and experience unmatched reliability with GIC Fasteners.
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ToggleWhen it comes to dependable fastening solutions, GIC Fasteners stands as a leading authority in the industry, providing high-quality products tailored to meet your specific needs. One of our standout offerings is Cupro Nickel 70/30 Nuts, an indispensable component for various applications demanding corrosion resistance and exceptional durability. Crafted with precision and expertise, these nuts are meticulously designed to endure even the harshest environmental conditions, making them an ideal choice for marine and offshore operations.
Our Cupro Nickel 70/30 Nuts, composed of 70% copper and 30% nickel, not only exhibit outstanding resistance to corrosion in seawater but also maintain their mechanical integrity over time. These nuts are expertly manufactured to ensure a snug and secure fit, guaranteeing the reliability of your connections. Whether you’re in the shipbuilding industry, working on underwater systems, or tackling any project where corrosion is a concern, our nuts will serve as a robust and long-lasting solution. Trust GIC Fasteners for premium quality Cupro Nickel 70/30 Nuts, and experience the peace of mind that comes with using top-notch fastening components. For inquiries and orders, contact us at sales@gicfasteners.com today, and let our experts assist you in finding the perfect solution for your fastening needs.
Specifications | : | ASTM B151 / ASME SB151 |
Standard | : | DIN, ASTM, BS, ISO and all International Standards |
Length | : | 3 mm to 200 mm |
Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Type | : | Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts, etc. |
Cu-Ni 70/30 | Cu | Pb | Mn | Fe | Zn | Ni |
88.6 min | 0.05 max | 1.0 max | 1.8 max | 1 max | 9-11 max |
Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 35,000, MPa – 241 | Psi -80,000, MPa -551 | 30 % |
STANDARD | UNS | WERKSTOFF NR. |
Cupro Nickel 70/30 | C71500 | 2.0882 |
All measurements in millimeters
Nominal Size or Basic Major Thread Diameter |
F |
G |
H |
||||||
Width Across Flats |
Width Across Corners |
Thickness |
|||||||
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
||
1/4 |
.2500 |
1/2 |
.500 |
.488 |
.577 |
.556 |
15/64 |
.250 |
.218 |
5/16 |
.3125 |
9/16 |
.562 |
.546 |
.650 |
.622 |
19/64 |
.314 |
.280 |
3/8 |
.3750 |
11/16 |
.688 |
.669 |
.794 |
.763 |
23/64 |
.377 |
.341 |
7/16 |
.4375 |
3/4 |
.750 |
.728 |
.866 |
.830 |
27/64 |
.441 |
.403 |
1/2 |
.5000 |
7/8 |
.875 |
.850 |
1.010 |
.969 |
31/64 |
.504 |
.464 |
9/16 |
.5625 |
15/16 |
.938 |
.909 |
1.083 |
1.037 |
35/64 |
.568 |
.526 |
5/8 |
.6250 |
1-1/16 |
1.062 |
1.031 |
1.227 |
1.175 |
39/64 |
.631 |
.587 |
3/4 |
.7500 |
1-1/4 |
1.250 |
1.212 |
1.443 |
1.382 |
47/64 |
.758 |
.710 |
7/8 |
.8750 |
1-7/16 |
1.438 |
1.394 |
1.660 |
1.589 |
55/64 |
.885 |
.833 |
1 |
1.0000 |
1-5/8 |
1.325 |
1.575 |
1.876 |
1.796 |
63/64 |
1.012 |
.956 |
1-1/8 |
1.1250 |
1-13/16 |
1.812 |
1.756 |
2.093 |
2.002 |
1-7/64 |
1.139 |
1.079 |
1-1/4 |
1.2500 |
2 |
2.000 |
1.938 |
2.309 |
2.209 |
1-7/32 |
1.251 |
1.187 |
1-3/8 |
1.3750 |
2-3/16 |
2.188 |
2.119 |
2.526 |
2.416 |
1-11/32 |
1.378 |
1.460 |
1-1/2 |
1.5000 |
2-3/8 |
2.375 |
2.300 |
2.742 |
2.622 |
1-15/32 |
1.505 |
1.433 |
1-5/8 |
1.6250 |
2-9/16 |
2.562 |
2.481 |
2.959 |
2.828 |
1-19/32 |
1.632 |
1.556 |
1-3/4 |
1.7500 |
2-3/4 |
2.750 |
2.662 |
3.175 |
3.035 |
1-23/32 |
1.759 |
1.679 |
2 |
2.0000 |
3-1/8 |
3.125 |
3.025 |
3.608 |
3.449 |
1-31/32 |
2.013 |
1.925 |
2-1/4 |
2.2500 |
3-1/2 |
3.500 |
3.388 |
4.041 |
3.862 |
2-13/64 |
2.251 |
2.155 |
2-1/2 |
2.5000 |
3-7/8 |
3.875 |
3.750 |
4.474 |
4.275 |
2-29/64 |
2.505 |
2.401 |
2-3/4 |
2.7500 |
4-1/4 |
4.250 |
4.112 |
4.907 |
4.688 |
2-45/64 |
2.759 |
2.647 |
3 |
3.0000 |
4-5/8 |
4.625 |
4.475 |
5.340 |
5.102 |
2-61/64 |
3.013 |
2.893 |
3-1/4 |
3.2500 |
5 |
5.000 |
4.838 |
5.774 |
5.515 |
3-3/16 |
3.252 |
3.124 |
3-1/2 |
3.5000 |
5-3/8 |
5.375 |
5.200 |
6.207 |
5.928 |
3-7/16 |
3.506 |
3.370 |
3-3/4 |
3.7500 |
5-3/4 |
5.750 |
5.562 |
6.640 |
6.341 |
3-11/16 |
3.670 |
3.616 |
4 |
4.0000 |
6-1/8 |
6.125 |
5.925 |
7.073 |
6.755 |
3-15/16 |
4.014 |
3.862 |
Applications | Industries |
---|---|
Marine equipment and components | Maritime and shipbuilding |
Heat exchangers and condensers | Chemical processing |
Underwater pipelines and fittings | Oil and gas |
Desalination plants | Water treatment |
Offshore platforms | Offshore drilling |
Petrochemical industry | Petrochemicals |
Naval and defense applications | Defense and military |
Cooling systems | Power generation |
Medical instruments and implants | Medical and healthcare |
Seawater filtration systems | Environmental engineering |
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Cupro Nickel 70/30 is an alloy composed of 70% copper (Cu) and 30% nickel (Ni). It's renowned for its exceptional resistance to corrosion in marine environments, high thermal stability, and excellent ductility.
Cupro Nickel 70/30 Nuts find extensive use in marine equipment, such as ship hulls, offshore platforms, and heat exchangers, due to their resistance to saltwater corrosion.
These nuts are ideal for desalination plants because they resist the corrosive effects of brine and seawater, ensuring long-lasting performance.
Yes, Cupro Nickel 70/30 Nuts can be welded using standard methods, making them versatile for fabrication and repair tasks.
Their biocompatibility and resistance to corrosion make them a preferred choice for medical devices and implants, ensuring patient safety and longevity.
These nuts are employed in seawater filtration systems, aiding in environmental conservation efforts by providing reliable and corrosion-resistant components.
Cupro Nickel 70/30 Nuts are non-magnetic, which makes them suitable for applications where magnetic interference must be minimized.
Power generation industries utilize these nuts in cooling systems, as they maintain their properties at varying temperatures and resist erosion.
They are used in underwater pipelines and fittings within the oil and gas industry due to their resistance to corrosion in harsh underwater environments.