乜野物質可以裝鋼水?

Question

煉鋼廠裝鋼水既容器係咩物質做?

Answer 1

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The melting range of molten steel is not more than 1500C. So, we can use the silica, clay-graphite or graphite crucible for the storage. All of these materials can stand for even higher temperature before melting. In fact, they are dialy used for this industry.