Molybdenum is the rare metal with high melting point, which is often used to prepare alloy steel, refractory steel and stainless steel.
钼是一种宝贵的稀有高熔点金属，是生产合金刚、不锈钢、耐热钢和合金铸铁的重要合金化元素。
This paper analyzed and discussed the issues in the standard of stainless steel and refractory steel.
根据生产实践，对不锈钢和耐热钢技术标准中存在的问题进行了分析和探讨。
It is concluded that some problems of adopting stainless steel and refractory ceramics as materials for high-temperature recuperators remain to be solved.
发现采用不锈钢材料和耐热陶瓷作为回热器的材料还有一些问题有待解决；
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