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ASME B16.3-2021

M00004906

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ASME B16.3-2021 Malleable Iron Threaded Fittings: Classes 150 and 300

standard by ASME International, 01/17/2022

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Full Description

This Standard covers malleable iron threaded fittings, Classes 150 and 300. It also contains provisions for using steel for caps and couplings in Class 150 for NPS 3/8 and smaller. This standard includes: (a) pressure-temperature ratings (b) size and method of designating openings of reducing fittings (c) marking (d) material (e) dimensions and tolerances (f) threading (g) coatings.