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1980年11月,冷轧厂热镀锌机组镀了136个经过电解脱脂的钢卷(下简称脱脂卷),结果锌层附着力不良,有27.8％不合格(重450.3吨)。这次损失如此惊人,原因何在?
In November 1980, 136 hot-dip galvanizing units of cold-rolling mills plated 136 degreased coils, resulting in poor adhesion of the zinc layer with 27.8% failing (weighing 450.3 tonnes). The loss is so staggering, why?