ASME Y14.1-2020 PDF
This Standard defines sheet sizes and formats for engineering drawings. Both metric and decimal-inch sheet sizes and formats are included. For engineering product definition preparation and practices, see ASME Y14.100.
Standardization of drawing sheet sizes and uniform location of format features on drawing forms provides definite advantages in readability, handling, filing, and reproduction of engineering drawings. When using drawing sheets made by other organizations, an advantage is gained when like items of information are in the same location on all drawing sheets, and when uniformity of form and language is applied in making information entries. Revision information and dates are of particular importance to users of drawings and should be located and expressed uniformly on all engineering drawings.
The widespread use and exchange of reduced-size copies of drawing sheets, both within and between organizations, emphasizes the importance of standardizing drawing sheet size and format.
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