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High-conductivity copper microalloys obtained by conventional continuous or semi-continuous casting

Image Number 4 for United States Patent #6103188.

We provide a new copper microalloy with high-conductivity, excellent heat resistance and high strain strength, which can be obtained by conventional continuous or semi-continuous casting, which essentially consists of at least one element selected from the following list:in all cases, with 20-500 mg/Kg O (oxygen). The alloy is suitable for all the applications that require an electrical conductivity similar to that of pure copper, but with a better heat resistance, better mechanical properties and lower standard deviation values in strain strength. Specifically, it can be used for electric wires with high mechanical requirements and/or high annealing temperatures, for high-risk applications and for electrical wires and components in the electronic and micro-electronic industry.

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