本标准确定了矩形截面扁平金属产品的首选公制厚度、宽度和长度系列。本标准中所示的厚度和宽度也适用于可能在后续操作中进行涂层的贱金属。本标准还确定了圆形、方形、矩形和六角形金属制品的首选公制尺寸系列。

This Standard establishes a preferred series of metric thicknesses, widths, and lengths for flat metal products of rectangular cross-section. The thicknesses and widths shown in this Standard are also applicable to base metals that may be coated in later operations. This Standard also establishes preferred series of metric sizes for round, square, rectangular, and hexagonal metal products.