2001年全世界铝的消费量约36 Mt,其中的24 Mt是以加工材的形式消费的,而加工材产量前5名公司的合计量为7.4 Mt,占总产量的30.83％。它们的产量如下(Mt):美国铝业公司 The world’s consumption of aluminum in 2001 was about 36 Mt, of which 24 Mt was consumed as fabricated materials while the top five companies producing processed materials totaled 7.4 Mt, accounting for 30.83% of the total output. Their yields are as follows (Mt): Alcoa