1.1 本规范涵盖了用于炼钢和铸造的硅铁等级。 1.2 以英寸磅为单位的数值应视为标准。括号中给出的英寸磅单位（SI单位）的公制当量可能是近似值。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification covers grades of ferrosilicon for steelmaking and foundry uses. 1.2 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units (SI units) given in parentheses may be approximate. 1.3 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.