Historical
ANSI/ASME B32.100-2005
Preferred Metric Sizes for Flat, Round, Square, Rectangular, and Hexagonal Metal Products
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 a preferred series of metric sizes for round, square, rectangular, and hexagonal metal products.
American Society of Mechanical Engineers [asme]