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A standard-gauge railway is a railway with a track gauge of 1,435 mm (4 ft ...
A standard wire gauge. The British Standard Wire Gauge, often referred to as the Standard Wire Gauge or simply SWG, is a unit used to denote wire gauge (size) as defined by BS 3737:1964, a standard that has since been withdrawn. It is also known as the Imperial Wire Gauge or British Standard Gauge. Although its use has significantly declined ...
Between each step the diameter, or thickness, diminishes by 10.557%, and the area and weight diminish by ~ 20%. None of the above systems of measurement is part of the metric system. The current British Standard for metallic materials including wire is BS 6722:1986, which is a solely metric standard, superseding 3737:1964, which used the SWG ...
The older United States Standard Gauge is based upon 40 lb per square foot per inch thick. Gauge is defined differently for ferrous (iron-based) and non-ferrous metals (e.g. aluminium and brass). The gauge thicknesses shown in column 2 (U.S. standard sheet and plate iron and steel decimal inch (mm)) seem somewhat arbitrary.
A standard wire gauge. American Wire Gauge (AWG) is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameters of round, solid, nonferrous, electrically conducting wire. Dimensions of the wires are given in ASTM standard B 258. [1]
See Category:Standard gauge railways: Standard gauge is defined both in metric and in imperial units. It is the most widely-used gauge worldwide, ab out 60% of the world uses this track. [92] 1,440 mm 4 ft 8 + 11 ⁄ 16 in: Switzerland
The vast majority of North American railroads are standard gauge (4 ft 8 + 1 ⁄ 2 in / 1,435 mm).Exceptions include some streetcar, subway and rapid transit systems, mining and tunneling operations, and some narrow-gauge lines particularly in the west, e.g. the isolated White Pass and Yukon Route system, and the former Newfoundland Railway.
The vast majority of tram systems use 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge. Generally, standard gauge is the standard for every brand new system (except for the former Soviet Union), even in places where there is another gauge for the heavy rail. Metre gauge is mainly present in some old, continuously operating systems in Central Europe.
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