SIST ISO 3:1995 PDF
Preferred numbers -- Series of preferred numbers
Preferred numbers -- Series of preferred numbers
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 6
- Дата публикации:
- 1 июня 1995 г.
- ICS:
- 17.020
- Технический комитет:
- TRS - Technical drawings, quantities, units, symbols and graphical symbols
Preferred numbers are the conventionally rounded of term values of geometrical series, including the integral powers of 10 and having as ratios special factors in accordance with the specified tables. Basic, expectional, R 80 and derived series are designated.
Abstract
Overview
SIST ISO 3:1995, titled , is an international standard established by the International Organization for Standardization (ISO). Published in 1973, this standard defines a systematic series of preferred numbers created by rounding off the terms of geometric series. These series include integral powers of 10 and special ratios, facilitating consistency in design, manufacturing, and engineering applications worldwide.
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