Sumit Impex is a leading manufacturer, supplier, and exporter of Cupro-Nickel 70-30 and 90-10 Fasteners, prized for their exceptional resistance to corrosion and high-temperature durability. These fasteners are extensively utilized in critical applications such as marine engineering, shipbuilding, and offshore oil and gas production. Trust us to deliver superior-quality fastening solutions tailored to your precise industrial requirements, ensuring optimum performance and longevity.
Sumit Impex is a Supplier of Cupro-Nickel 70-30 / 90-10 Fasteners, Biggest Stockist of Cupro-Nickel 70-30 / 90-10 Fasteners as per Standards in Mumbai, India.
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Cupro-Nickel 70-30 Fasteners are high-quality bolts, screws, or nails made from a copper-nickel alloy containing 70% or 90% copper, respectively. These fasteners are known for their exceptional corrosion resistance, especially in marine environments, making them ideal for shipbuilding, offshore structures, and other marine applications. With their excellent mechanical properties and durability, Cupro-Nickel 90-10 Fasteners offer reliable performance in challenging conditions.
At Sumit Impex, we ensure the quality of our Cupro-Nickel 70-30 and 90-10 Fasteners through testing. From hardness checks to corrosion resistance tests, we ensure our fasteners meet high standards. We provide clear documentation, including packaging details and Certificates of Origin, to ensure transparency. Additionally, we offer third-party inspection certificates to guarantee the reliability of our fasteners across different uses.
Standard Specification For Cupro-Nickel 70-30 /90 -10 Fasteners
| Specifications | DIN, ASTM, BS |
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of Stainless Steel Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated Stainless Steel Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
Cupro-Nickel 70-30 / 90-10 Fasteners Types
Stud Bolts
Stud Bolts
Bolts
Bolts
Nuts
Nuts
Washers
Washers
Cupro-Nickel 70-30 / 90-10 Fasteners Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS |
| Copper Nickel 70/30 | 2.0882 | C71500 |
| Copper Nickel 90/10 | 2.0872 | C70600 |
Cupro-Nickel 70-30 / 90-10 Fasteners 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 |
Cupro-Nickel 70-30 / 90-10 Fasteners 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 Fasteners
Cupro-Nickel 70-30 / 90-10 Fasteners 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 Cupro-Nickel 70-30 / 90-10 Fasteners
Japan, Malaysia, British, Bhutan, Philippines, Russia, Egypt, Bahrain, Qatar, Maldives, Hong Kong, Taiwan, Afghanistan, Oman, Israel, Vietnam, Singapore, Saudi Arabia, Bangladesh, Turkey, Kuwait, India, Sri Lanka, Jordan, Kyrgyzstan, Armenia, South Korea, Iraq, Myanmar, North Korea, Azerbaijan, Indonesia, Macau, Iran, United Arab Emirates, China, Mongolia, Lebanon, Thailand, Nepal.
United Kingdom, Cyprus, Azerbaijan, Romania, Liechtenstein, Serbia, Portugal, Germany, Lithuania, Hungary, Ireland, Russia, France, Finland, Bulgaria, Italy, Estonia, Belarus, Norway, Spain, Czechia/Czech Republic, Luxembourg, Switzerland, Moldova, Austria, Denmark, Netherlands, Greece, Malta, Ukraine, Monaco, Belgium, Turkey, Latvia, Croatia, Sweden, Poland, Slovakia.
Kenya, Central African Republic, Morocco, Tanzania, Niger, Tunisia, Cameroon, Burundi, Senegal, Namibia, Nigeria, Burkina Faso, South Africa, Zimbabwe, Ethiopia, Uganda, Gambia, Liberia, Mozambique, Algeria, Seychelles, Botswana, Mauritania, Eswatini, Egypt, Zambia, Rwanda, Madagascar, Angola, Mauritius, Libya.
Bahamas, El Salvador, Trinidad and Tobago, United States of America, Antigua and Barbuda, Honduras, Costa Rica, Jamaica, Saint Vincent and the Grenadines, Nicaragua, Haiti, Grenada, Cuba, Belize, Dominica, Guatemala, Panama, Mexico, Dominican Republic, Barbados, Saint Lucia, Canada.
Paraguay, Guyana, Venezuela, Brazil, Peru, Chile, Suriname, Ecuador, Bolivia, Colombia, Uruguay, Argentina.
