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In seawater, Copper Nickel 70 / 30 Nuts have excellent corrosion rates which remain low as long as the maximum design flow velocity is not exceeded. This velocity depends on geometry and pipe diameter. Copper Nickel 90 / 10 Nuts have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems.
Cupro nickel Hex Nuts naturally form a thin protective surface layer over the first several weeks of exposure to seawater and this provides its ongoing resistance. As a supplier, stockiest, exporter and manufacturer of Cupro nickel Heavy Hex Nuts, we provide these Fasteners in custom-built thicknesses and sizes according to exact requirements of our well-regarded patrons. We offer Cupro nickel Lock Nuts at economical prices to our consumers. Cupro nickel Self Locking Nuts are available in different dimentions, size, grades & thickness as per the clients requirments.
Cupro nickel Nylon Insert Nuts are alloys of copper (base metal with the largest individual content) and nickel with or without other elements, whereby the zinc content may not be more than 1%. When other elements are present, nickel has the largest individual content after copper, compared with each other element. Cupro nickel Coupler Nuts have special quality finishing and duress for long life, high pressure and zero defects
In seawater, Copper Nickel 70 / 30 Nuts have excellent corrosion rates which remain low as long as the maximum design flow velocity is not exceeded. This velocity depends on geometry and pipe diameter. Copper Nickel 90 / 10 Nuts have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems.
Cupro nickel Hex Nuts naturally form a thin protective surface layer over the first several weeks of exposure to seawater and this provides its ongoing resistance. As a supplier, stockiest, exporter and manufacturer of Cupro nickel Heavy Hex Nuts, we provide these Fasteners in custom-built thicknesses and sizes according to exact requirements of our well-regarded patrons. We offer Cupro nickel Lock Nuts at economical prices to our consumers. Cupro nickel Self Locking Nuts are available in different dimentions, size, grades & thickness as per the clients requirments.
Cupro nickel Nylon Insert Nuts are alloys of copper (base metal with the largest individual content) and nickel with or without other elements, whereby the zinc content may not be more than 1%. When other elements are present, nickel has the largest individual content after copper, compared with each other element. Cupro nickel Coupler Nuts have special quality finishing and duress for long life, high pressure and zero defects
Standard Specification For Cupro Nickel Nuts
Dimension | DIN, ASTM, BS and all International Standards |
Specification | ASTM / ASME SB 151, SB 152 |
Standard | Cupro Nickel 70/30 (C71500), Cupro Nickel 90/10(C70600) |
Size | M10 to M100 |
Length | UPTO 5 METERS |
Form | Hot Forged and Cold Forged |
Types | Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts. |
Cupro Nickel Nuts Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS |
Copper Nickel Cu-Ni 90/10 | 2.0872 | C70600 |
Copper Nickel Cu-Ni 70/30 | 2.0882 | C71500 |
Cupro Nickel 70 / 30 Nuts Chemical Composition
Grade | Element | |||||||
Copper, Cu | 70.0 | |||||||
Nickel, Ni | 30.0 |
Cupro Nickel 90 / 10 Nuts Chemical Composition
Element | Content (%) |
Cu | 88.7 |
Fe | 1.3 |
Ni | 10.0 |
Copper Nickel Nuts Mechanical Properties
Properties | Metric | Imperial |
Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
Elongation at break (in 381 mm) | 45.0% | 45.0% |
Charpy impact | 107 J | 78.9 ft-lb |
Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
Shear modulus | 57.0 GPa | 8270 ksi |
Poisson’s ratio | 0.34 | 0.34 |
Elastic modulus | 150 GPa | 21800 ksi |
Cupro Nickel Nuts Physical Properties
Properties | Metric | Imperial |
Density | 8.94 g/cm3 | 0.323 lb/in3 |
Melting point | 2140°F | 1171°C |
Standard Specification For Cupro Nickel Nuts
Dimension | DIN, ASTM, BS and all International Standards |
Specification | ASTM / ASME SB 151, SB 152 |
Standard | Cupro Nickel 70/30 (C71500), Cupro Nickel 90/10(C70600) |
Size | M10 to M100 |
Length | UPTO 5 METERS |
Form | Hot Forged and Cold Forged |
Types | Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts. |
Cupro Nickel Nuts Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS |
Copper Nickel Cu-Ni 90/10 | 2.0872 | C70600 |
Copper Nickel Cu-Ni 70/30 | 2.0882 | C71500 |
Cupro Nickel 70 / 30 Nuts Chemical Composition
Grade | Element | |||||||
Copper, Cu | 70.0 | |||||||
Nickel, Ni | 30.0 |
Cupro Nickel 90 / 10 Nuts Chemical Composition
Element | Content (%) |
Cu | 88.7 |
Fe | 1.3 |
Ni | 10.0 |
Copper Nickel Nuts Mechanical Properties
Properties | Metric | Imperial |
Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
Elongation at break (in 381 mm) | 45.0% | 45.0% |
Charpy impact | 107 J | 78.9 ft-lb |
Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
Shear modulus | 57.0 GPa | 8270 ksi |
Poisson’s ratio | 0.34 | 0.34 |
Elastic modulus | 150 GPa | 21800 ksi |
Cupro Nickel Nuts Physical Properties
Properties | Metric | Imperial |
Density | 8.94 g/cm3 | 0.323 lb/in3 |
Melting point | 2140°F | 1171°C |