Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Copper Nickel 90 Nuts And Bolts. These Copper Nickel 90 / 10 Hex Head Bolts have good fabric ability and high inherent resistance to befouling. Cu-Ni 90 / 10 Hex Head Nuts is often used in Condenser Plates, Condensers, Weld Torch Tips, Heat Exchanger Tubes, Valve Bodies, Evaporator Tubes, Pressure Vessels, Distiller Tubes, Pump Impellers for Oil Refining, Ferrules, and Evaporators. For this reason, these Cupro Nickel 90 / 10 Square Bolts is used for piping, heat exchangers and condensers in seawater systems, marine hardware, and sometimes for the propellers, crankshafts and hulls of premium tugboats, fishing boats and other working boats.
Copper Nickel 90 / 10 Eye Bolts have very good resistance to seawater, brine water, organic compounds, salts, diluted non – oxidizing acids, and more. These Cu-Ni 90 / 10 Eye Nuts is often used in Hydraulic lines, Fish cages for aquaculture, Heat exchangers and condensers, Desalination units, Sea water pipe work, Tubes for power plants and ships, Offshore fire water systems, etc.
Cupro Nickel 90 / 10 T-Bolts contain a unique summary of data relating to the physical and mechanical properties of the materials and low, ambient and elevated temperatures which is not available elsewhere. These Copper Nickel 90 / 10 T-Nuts are most commonly specified within the marine, offshore, chemical, and petrochemical and shipbuilding industries and are as well widely used for handling seawater in all types of heat exchanger and cooling plant.
Cu-Ni 90/10 Bolt/Nut Specifications |
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| Specifications | : | ASTM B 151 ASME SB 151 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 90/10 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
90/10 Cupro Nickel Bolt/Nut Chemical Composition
| Cu-Ni 90/10 | Cu | Pb | Mn | Fe | Zn | Ni |
| 88.6 min | 0.05 max | 1.0 max | 1.8 max | 1 max | 9-11 max |
Copper Nickel 90/10 Bolt/Nut Mechanical Properties
| 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 % |
Equivalent Grades for 90/10 Cu-Ni Bolt/Nut
| STANDARD | UNS | WERKSTOFF NR. |
| Cupro Nickel 90/10 | C70600 | 2.0872 |
Cu-Ni 90/10 Bolt/Nut Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
90/10 Cupro Nickel Bolt/Nut Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)