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The federal standard for LA abrasion testing was formally adopted by the ASTM in 1937. [10] Decades later, field studies found that the LA test results do not always correlate with reality, thus engineers outside of the United States developed different national standards like the French wet micro-Deval procedure or the British Standard 812. [1]
British standards have proliferated throughout large parts of the former British Empire. BS 1363, 13 A plugs socket-outlets adaptors and connection units is a British Standard which specifies the most common type of single-phase AC power plugs and sockets that are used in the United Kingdom.
BS 0 A standard for standards specifies Development, Structure and Drafting of British Standards themselves. BS 1 Lists of Rolled Sections for Structural Purposes; BS 2 Specification and Sections of Tramway Rails and Fishplates; BS 3 Report on Influence of Gauge Length and Section of Test Bar on the Percentage of Elongation
British Railways standard classes (4 C, 16 P) G. Great Central Railway 4-6-0s (9 P) ... Caledonian Railway 812 and 652 Classes; Caledonian Railway 908 Class;
The Caledonian Railway 812 and 652 Classes were 0-6-0 steam tender locomotives designed by John F. McIntosh for the Caledonian Railway and introduced in 1899. They had the same boiler type as the 721 “Dunalastair” Class 4-4-0s. They could reach speeds of up to 55 mph (89 km/h). [1]
The standards produced are titled British Standard XXXX[-P]:YYYY where XXXX is the number of the standard, P is the number of the part of the standard (where the standard is split into multiple parts) and YYYY is the year in which the standard came into effect.
The American Petroleum Institute (API) oldest and most successful programs is in the development of API standards which started with its first standard in 1924. API maintains over 500 standards covering the oil and gas field. [2] The following is a partial list specific to welding:
This category is British Standards, designated by the British Standards Institution. For other standards used in Britain, see Category:British standards . Pages in category "British Standards"