锌锭

[中文适用范围]： 该国际标准包含全球商业认可的五个等级的锌。 它规定了原锌的分类、化学成分、标记和其他要求。 它包括其他国际标准认可的相关锌牌号表。 本国际标准仅适用于原生锌，不包括对重熔生产的再生锌的要求。 [外文原描述]： ISO 752:2004 specifies the classifications, chemical compositions, markings and other requirements for primary zinc. It includes a table of related grades of zinc which are recognized in other International Standards. This International Standard is applicable to primary zinc only and does not include requirements for secondary zinc produced by re-melting.