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In seawater, Copper Nickel 70 / 30 Bolts 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 Bolts have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems.
Cupro nickel Hex Bolts 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 Bolts, we provide these Fasteners in custom-built thicknesses and sizes according to exact requirements of our well-regarded patrons. We offer Cupro nickel Square Bolts at economical prices to our consumers. Cupro nickel Round Head Bolts are available in different dimentions, size, grades & thickness as per the clients requirements.
In seawater, Copper Nickel 70 / 30 Bolts 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 Bolts have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems.
Cupro nickel Hex Bolts 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 Bolts, we provide these Fasteners in custom-built thicknesses and sizes according to exact requirements of our well-regarded patrons. We offer Cupro nickel Square Bolts at economical prices to our consumers. Cupro nickel Round Head Bolts are available in different dimentions, size, grades & thickness as per the clients requirements.
Standard Specification For Cupro Nickel Bolts
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 |
Cupro Nickel Bolts 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 Bolts Chemical Composition
Grade | Element | |||||||
Copper, Cu | 70.0 | |||||||
Nickel, Ni | 30.0 |
Cupro Nickel 90 / 10 Bolts Chemical Composition
Element | Content (%) |
Cu | 88.7 |
Fe | 1.3 |
Ni | 10.0 |
Copper Nickel Bolts 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 |
Standard Specification For Cupro Nickel Bolts
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 |
Cupro Nickel Bolts 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 Bolts Chemical Composition
Grade | Element | |||||||
Copper, Cu | 70.0 | |||||||
Nickel, Ni | 30.0 |
Cupro Nickel 90 / 10 Bolts Chemical Composition
Element | Content (%) |
Cu | 88.7 |
Fe | 1.3 |
Ni | 10.0 |
Copper Nickel Bolts 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 |