1.1 本规范涵盖一个等级的氧化镍烧结矿，指定为75，用于钢铁冶炼合金化。 1.2 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers one grade of nickel oxide sinter, designated as 75, used for alloying in iron and steel melting. 1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.