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90/10 cupronickel is a 90% copper, 10% nickel alloy that also contains small but important additions of iron and manganese to enhance overall strength corrosion resistance. This, combined with high ductility and toughness, makes it a popular grade for marine, architectural and industrial applications.


Copper nickel 90/10 offers designers and specifiers excellent resistance to stress corrosion, erosion, and biofouling in seawater and brackish water, excellent fabrication and welding properties, a high resistance to hydrogen embrittlement and the retention of mechanical properties down to cryogenic temperatures.

The material is released to the Defence Standard DEF STAN 02-879 Annex C, which supersedes both DEF STAN 02-779 and NES 779.

The most popular specifications in Europe and America are C70600, CN102 and CW352. These grades are most commonly specified within the marine, offshore, chemical, petrochemical and shipbuilding industries and are also widely used for handling seawater in all types of heat exchanger and cooling plant.

90/10 Cupro Nickel
90/10 Cupro Nickel fittings

Equivalent Grades of Cupro Nickel 90/10

Cu-Ni 90/10 2.0872 C70600

Chemical Properties of Copper nickel 90/10

Grade Cu Mn Pb Ni Fe Zn
Cu-Ni 90-10 88.6 min 1.0 max .05 max 9-11 max 1.8 max 1 max

Mechanical Properties of Cuni 90/10

Grade Density Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation %
Cu-Ni 90/10 8.94 g/cm3 50000 psi 20000 psi 30

Cupro Nickel 90/10 Updated Price List

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How to Buy Cupro Nickel 90/10

K. K. Industries is a leading manufacturer, stockist, and supplier of Cupro Nickel 90/10 from India. We maintain a large stock and you can easily buy 90/10 Cupro Nickel and other forms of Cupro-Nickel at the best price. Please use the send your enquiry button or click here to send us your complete requirement to Buy Cuni 90/10 from K.K Industries.

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