cupronickel

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cupronickel

any ductile corrosion-resistant copper alloy containing up to 40 per cent nickel: used in coins, condenser tubes, turbine blades, etc.

cupronickel

[¦kyü·prō′nik·əl]
(metallurgy)
A copper-base alloy with 10-30% nickel and small amounts of manganese and iron; used in industrial and marine installations as condenser and heat-exchanger tubing.
References in periodicals archive ?
2008) studied the nature of the protective film formed on the surface of the cupro-nickel alloy by benzotriazole in sulphuric acid by electrochemical and surface characterization studies [10].
The cupro-nickel version will start selling at face value on July 1, the princess's birthday.
The etchings on the coins made of cupro-nickel and nickel-brass symbolise Shakespeare's tragedies, histories and comedies.
Built to ASME standards, it will house two copper anodes and one ferrous anode to protect the vessel's pipework which is made from cupro-nickel.
It was a 10p, a real, cupro-nickel coin of the realm.
The newly introduced vertical directory includes offers for many types of heat exchangers such as plate, cryogenic, air, tube, water heat exchanger, central, flat plate, aluminum, boiler-type, plate-fin, sanitary, cupro-nickel, copper, graphite marine and other types of standard (OEM) and custom-made heat exchangers as well as furnaces, boilers, portable heaters and other heat processing equipment.
The dimension, design and composition of the coin are as under:- The Denomination of the Coin is Metal Composition Shape, dimension and design Rs 20, Cupro-Nickel (75% Copper & 25% Nickel).
Image of the royal would appear on five new coins made in different metals from cupro-nickel to platinum.
All medals are made of a cupro-nickel alloy, probably to reduce manufacturing costs, and all were sent out in similar boxes to those for the First World War.
To celebrate the Mini's 50th birthday, the Royal Mint has released a collection of gold, silver and cupro-nickel coins.
On 31 July 2006, the Reserve Bank issued smaller, lighter 50, 20 and 10 cent coins and announced that on 1 November 2006 the existing 50, 20, 10 and 5 cent coins of cupro-nickel composition would no longer be legal tender.