Iron-nickel alloy with a high level of ductility and a low expansion coefficient
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Nov 18, 2014
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Oct 20, 2007
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Dec 2, 2006
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Abstract
The invention relates to a solid-solution strengthened iron-nickel alloy with a high level of ductility and an expansion coefficient <5×10−6/K in the temperature range between room temperature and −200° C. Said alloy consists of (in wt. %): between 0.005 and 0.05% of C; <0.02% of S; between 1 and 2% of Cr; between 35 and 38% of Ni; between 0.3 and 1.5% of Mn; <0.5% of Si; between 1.0 and 3.5% of ΣMo+W; between 0.2 and 1.0% of Ti; between 0.2 and 1.0% of Nb; <0.02% of P; and between 1.0 and 4.0% of Co; Fe constituting the remainder, in addition to production-related impurities.
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