Active standard | Published: 01/04/1973

ISO 17:1973

Guide to the use of preferred numbers and of series of preferred numbers
(Guide pour l´emploi des nombres normaux et des séries de nombres normaux)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 17:1973

Publication date: 01/04/1973

Pages: 3

Country: International technical standard

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Anotation

Description / Abstract: The best scale will be determined by taking into consideration, in particular, the two following contradictory tendencies: a scale with too wide steps involves a waste of materials and an increase in the cost of manufacture, whereas a too closely spaced scale leads to an increase in the cost of tooling and also in the value of stock inventories. In selecting a scale of numerical values, choose that series having the highest ratio consistent with the desiderata to be satisfied, in the order: R 5, R 10, etc.

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