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Shanghai Tankii Alloy Material Co., Ltd.
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Copper Nickel Alloys
Principally destined for the manufacturing of low temperatures electric resistances so as heating cables, shunts, resistances for automobile, they have a maximum operating temperature of 752°F.
They do not therefore intervene in the field of resistances for industrial furnaces.
Those are alloys of chemical composition copper + nickel with addition of manganese with a low resistivity (from 231.5 to 23.6 Ohm.mm2/ft).
The most known, CuNi 44 (also called Constantan) presents the advantage of a very low temperature coefficient.
Fine Products, Tankii Make
Their advantages are the following:
Very good resistance to corrosion
Very good malleability
Very good solderability |
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