American Society of Mechanical Engineers

Founded in 1880 by a small group of leading industrialists, ASME is a not-for-profit membership organization that enables knowledge sharing and skills development across all engineering disciplines.

Documents by this publisher

Series details	Title	Year	Status
ASME B16.3:2016	Malleable iron threaded fittings: classes 150 and 300	2016	Withdrawn
ASME B16.3:2021	Malleable iron threaded fittings: classes 150 and 300	2021	Current
ASME B16.4:2016	Gray iron threaded fittings: classes 125 and 250	2016	Withdrawn
ASME B16.4:2021	Gray iron threaded fittings: classes 125 and 250	2021	Current
ASME B16.5:2017	Pipe flanges and flanged fittings: NPS 1/2 through NPS 24 metric/inch standard	2017	Withdrawn
ASME B16.5:2020	Pipe flanges and flanged fittings: NPS 1/2 through NPS 24 metric/inch standard	2020	Withdrawn
ASME B16.5:2025	Pipe flanges and flanged fittings: NPS 1/2 through NPS 24 metric/inch standard	2025	Current
ASME B16.9:2012	Factory-made wrought buttwelding fittings	2012	Withdrawn
ASME B16.9:2018	Factory-made wrought buttwelding fittings	2018	Withdrawn
ASME B16.9:2024	Factory-made wrought buttwelding fittings	2024	Current
ASME B16.11:2016	Forged fittings, socket-welding and threaded	2016	Withdrawn
ASME B16.11:2016	Forged fittings, socket-welding and threaded	2021	Current
ASME B16.18:2018	Cast copper alloy solder joint pressure fittings	2018	Withdrawn
ASME B16.18:2021	Cast copper alloy solder joint pressure fittings	2021	Current
ASME B16.21:2021	Nonmetallic flat gaskets for pipe flanges	2021	Current
ASME B16.22:2018	Wrought copper and copper alloy solder-joint pressure fittings	2018	Withdrawn
ASME B16.22:2021	Wrought copper and copper alloy solder-joint pressure fittings	2021	Current
ASME B16.23:2016	Cast copper alloy solder joint drainage fittings: DWV	2016	Withdrawn
ASME B16.23:2021	Cast copper alloy solder joint drainage fittings: DWV	2021	Current
ASME B16.25:2017	Buttwelding ends	2017	Withdrawn