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Cupro Nickel Nuts

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.

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

STANDARDWERKSTOFF NR.UNS
Copper Nickel Cu-Ni 90/102.0872C70600
Copper Nickel Cu-Ni 70/302.0882C71500


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


Product Inquiry
Pipe Fittings, Forged, Flanges, Fasteners
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