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Cupro Nickel Washers

We are pretty much engaged in giving a wide spread variety of Copper Nickel Washers. In seawater, Cupr nickel Flat Washers 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. Cupro nickel Punched Washers have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems.

We are pretty much engaged in giving a wide spread variety of Copper Nickel Washers. In seawater, Cupr nickel Flat Washers 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. Cupro nickel Punched Washers have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems.


Cupro nickel Machined Washers 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 Square Washers, we provide these Fasteners in custom-built thicknesses and sizes according to exact requirements of our well-regarded patrons. We offer Cupro nickel Spring Washers at economical prices to our consumers. Cupro nickel Lock Washers are available in different dimentions, size, grades & thickness as per the clients requirments. 



Standard Specification For Cupro Nickel Washers

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 Washers Equivalent Grades

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


Chemical Composition of Copper Nickel Washers

Cupro Nickel 70 / 30 Washers Chemical Composition

Grade
Element
Copper, Cu
70.0
Nickel, Ni
30.0



Cupro Nickel 90 / 10 Washers Chemical Composition

Element
Content (%)
Cu
88.7
Fe
1.3
Ni
10.0


Copper Nickel Washers 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 Washers Physical Properties

Properties
Metric
Imperial
Density
8.94 g/cm3
0.323 lb/in3
Melting point
2140°F
1171°C


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