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一、两种镍铬-镍硅热电偶材料技术经济分析镍铬-镍硅(铝)热电偶材料,常用于0～1000℃的中温范围,是最基本的热电偶材料之一。我国的镍铬-镍硅热电偶材料,年产量在30吨左右,占全部热电偶材料的70～80%。1300℃用新型镍铬-镍硅热电偶材料(以下简称新型偶)是用于1300℃以下的新型热电偶材料。1.技术水平比较我国原有的镍铬-镍硅热电偶材料(以下简称旧型
Technical and Economic Analysis of Two Nickel-Chromium-Nickel-Silicon Thermocouple Materials Nickel-chromium-nickel silicon (aluminum) thermocouple materials, commonly used in medium temperature range of 0-1000 ℃, are one of the most basic thermocouple materials. China’s nickel-chromium-nickel-silicon thermocouple material, the annual output of 30 tons, accounting for all thermocouple materials 70 to 80%. 1300 ℃ With a new type of nickel-chromium-nickel-silicon thermocouple material (hereinafter referred to as the new type) is used for the following 1300 ℃ thermocouple materials. 1. Technical level Comparison of China’s original nickel-chromium-nickel-silicon thermocouple materials (hereinafter referred to as the old type