Designations wire diameter and sheet thickness in foreign publications. Reference data

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Designations wire diameter and sheet thickness in foreign publications. Reference data

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Encyclopedia of radio electronics and electrical engineering / Reference materials

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In the technical literature published in the USA and Great Britain (as well as in some other countries), the diameter of the wire used to wind coils, chokes, transformers, etc. products, as well as the thickness of rolled sheets made of ferrous and non-ferrous metals and alloys, is indicated conditional numbers ("No18", "Nr21", "No. 14", etc.).

Sometimes one of three abbreviations is added to this designation - SWG, AWG or BWG (for example, wire No18SWG, Nr31AWG, steel 25SWG, etc.). These abbreviations stand for: SWG - Standard wire gauge (Standard wire gauge), AWG - American wire gauge (American wire gauge), BWG - Birmingham wire gauge (Birmingham wire gauge).

Designations wire diameter and sheet thickness in foreign publications

As a rule, in American publications, when indicating the diameter of the wire according to AWG, and in the UK and related Commonwealth countries - according to SWG, the reference to the gauge is omitted.

The table placed here makes it possible to establish the approximate diameter of the wire (sheet thickness) in millimeters according to the conditional number in the named assortments.

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