
Steel tubes and tubulars suitable for screwing to B.S. 21 pipe threads
出版:Standards Australia

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Applies to welded and seamless, screwed and socketed steel tubes and tubulars and to plain end steel tubes suitable for screwing to B.S. 21 pipe threads, of nominal bores from 1/8 inch to 6 inch inclusive. Three thicknesses of tube are provided fo, and are designated Light, Medium and Heavy.
Includes Endorsement slip, Amdt 1-1960, Amdt 1-1962, Amdt 2-1963 and Amdt 3-1965.
BS 1387:1957 - Equivalent