本文介绍了湖南铁合金厂从炉外法冶炼金属铬收尘灰中回收氧化铬、再制取金属铬的工艺及试验情况。

Process and tests on recovering chrome oxide in metal chrome dust by metallothermic reduction and then producing metal chrome in Hunan Ferroalloy Works are introduced.

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本文介绍了中国炉外精炼概况，并着重讨论了真空脱气、真空钢包精炼以及不锈钢精炼法。

Thisarticle briefly introduces the secondary refining and discusses it with emphasis on vacuum degassing, vacuum ladle refining and refining process of stainless steel, etc.

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介绍日本钢铁生产中平炉炼钢法、转炉炼钢法、电炉炼钢法、炉外精炼法、不锈钢精炼法。着重论述了连铸生产技术。

Open hearth steelmaking, converter steelmaking, electric furnaces steelmaking, secondary steelmaking and stainless steelmaking in Japan are introduced.

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