Sumit Impex is a leading manufacturer, Supplier and exporter of Cupro-Nickel 70-30 and 90-10 Nuts, renowned for their superior quality and long-lasting performance. We prioritize excellence by carefully selecting high-quality raw materials for our manufacturing processes. These premium materials ensure the reliability and durability of our nuts, meeting the stringent standards of various industries. With a firm commitment to quality assurance, We continue to be the preferred option for acquiring high-quality Cupro-Nickel nuts globally, addressing various industrial requirements with precision and reliability.
Sumit Impex is a Supplier of Cupro Nickel 70/30 Nuts, Biggest Stockist of 70/30, 90/10 Copper Nickel Nuts as per Standards in Mumbai, India.
CuNi 70/30 Hex Head Nuts, Cupro Nickel 90/10 Hex Nuts, UNS C71500 Heavy Hex Nuts, CuNi 90/10 Nylon Insert Nuts, Copper Nickel 70/30 Nuts, Cupro Nickel 70/30 Eye Nuts, Copper Nickel 90/10 Dome Nuts, Cupro Nickel 70/30 Nuts Manufacturer.
Cupro-Nickel 70-30 and 90-10 nuts are specialized fasteners made from a copper-nickel alloy. The “70-30” and “90-10” designations refer to the alloy’s respective ratios of copper to nickel. Cupro-nickel nuts are highly corrosion-resistant, making them ideal for marine environments and applications where exposure to seawater or other corrosive substances is a concern. They are commonly utilized in various industries, including shipbuilding, offshore oil and gas, and chemical processing, where durability and reliability are paramount.
At Sumit Impex, we ensure the safe packaging of Cupro-Nickel 70-30 and 90-10 nuts based on our client’s preferences, shielding them from rust with wooden pallets, boxes, and plastic covers during transportation. Our commitment to efficiency guarantees swift delivery to customers. Additionally, we provide comprehensive documentation, including Manufacturer Test Certificates, Raw Materials Certificates, Radiography Test Reports, and Third-Party Inspection Reports, meeting all standard requirements.
Cupro Nickel 70-30 Nuts Specifications
| Specifications | ASTM B151 / ASME SB151 |
| Nut (DIA) |
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| Nuts International Standard | IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI |
| Threads | BSF, UNF METRIC, UNC, UNEF, BSW or as required |
| ASME/ ANSI – American Standard |
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| DIN German Standard | DIN 933, DIN 931, DIN 970, DIN 934 |
| ISO Standard | ISO 4033, : ISO 4032, JIS standards |
| Head Drive style | Phillips/ Slot, Phillips, Oval, Flat 82 degree, Pan, flat undercut, Round, Truss, flat head 100 degree, binding, fillister head, indented hex head, Slotted, Six-Lobe |
| MTC (Manufacturer Test Certificate) | EN 10204 / 3.1 |
| Finishing |
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| Production Process |
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| Nuts Coating |
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| Packing | Wooden Pallet, Canton, Carton / Small Box or as required |
Cupro Nickel 90/10 Nuts Types
Heavy Hex Nuts
Heavy Hex Nuts
Square Nuts
Square Nuts
Coupling Nuts
Coupling Nuts
Acorn Nuts
Acorn Nuts
Cupro Nickel 70/30 Nuts Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS |
| Copper Nickel 70/30 | 2.0882 | C71500 |
| Copper Nickel 90/10 | 2.0872 | C70600 |
Cupro Nickel 90/10 Nuts Chemical Composition
| 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 |
| Cu-Ni 90-10 | 88.6 min | 1.0 max | .05 max | 9-11 max | 1.8 max | 1 max |
70/30 Copper Nickel Nuts Mechanical Properties
| 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 % |
| Copper Nickel 90-10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
Contact Us For Quatation & Questions Related To Cupro Nickel 70-30 / 90-10 Nuts
CuNi 70/30 Nuts Applications
Food Processing Industry
Hydraulic Applications
Offshore Pipelines & Pipe Works
Oil & Gas Industrires
Petrochemical Industry
Piping Systems
Power Plant Industry
Pulp & Paper Industry
Refining Industry
shipbuilding-industries
Chemical Industries
Construction Industries
Export & Supply Destinations Of Cu-Ni 90/10 Nuts
Myanmar, Kyrgyzstan, Singapore, Thailand, Mongolia, Armenia, China, Maldives, Bahrain, Bhutan, Iraq, Egypt, Bangladesh, Malaysia, Saudi Arabia, Philippines, Nepal, Turkey, Jordan, Israel, Japan, Oman, India, Azerbaijan, United Arab Emirates, Sri Lanka, Afghanistan, British, Lebanon, Indonesia, South Korea, Kuwait, Macau, Russia, Qatar, Hong Kong, Vietnam, North Korea, Taiwan, Iran.
Bulgaria, Lithuania, Italy, Romania, Malta, Moldova, United Kingdom, Spain, Latvia, Denmark, Estonia, Slovakia, Finland, Portugal, Belgium, Germany, Liechtenstein, Netherlands, Sweden, Norway, Czechia/Czech Republic, Austria, Cyprus, France, Serbia, Azerbaijan, Ireland, Switzerland, Croatia, Belarus, Poland, Ukraine, Hungary, Luxembourg, Russia, Greece, Turkey, Monaco.
Cameroon, Ethiopia, Central African Republic, Liberia, Angola, Kenya, Tanzania, Rwanda, Madagascar, Mauritania, Burkina Faso, Mozambique, Niger, Namibia, Zambia, South Africa, Morocco, Mauritius, Libya, Senegal, Zimbabwe, Algeria, Tunisia, Egypt, Nigeria, Gambia, Seychelles, Botswana, Eswatini, Burundi, Uganda.
Mexico, Costa Rica, Cuba, Grenada, Guatemala, Saint Lucia, Belize, Honduras, United States of America, Canada, Panama, Trinidad and Tobago, El Salvador, Dominican Republic, Saint Vincent and the Grenadines, Bahamas, Jamaica, Dominica, Barbados, Haiti, Nicaragua, Antigua and Barbuda.
Bolivia, Chile, Colombia, Uruguay, Guyana, Venezuela, Paraguay, Brazil, Ecuador, Peru, Argentina, Suriname.
