ASME B16.5-2003
Pipe Flanges and Flanged Fittings: NPS 1/2 through 24

Standard No.

ASME B16.5-2003

Release Date

2003

Published By

American Society of Mechanical Engineers (ASME)

Status

Withdraw

Replace By

ASME B16.5-2009

Latest

ASME B16.5-2020

Scope

This Standard covers pressure-temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. Included are: flanges with rating class designations 150, 300, 400, 600, 900, 1500, and 2500 in sizes NPS 1/2 through NPS 24, with requirements given in both metric and U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units; flanged fittings with rating class designation 150 and 300 in sizes NPS 1/2 through NPS 24, with requirements given in both metric and U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units; and flanged fittings with rating class designation 400, 600, 900, 1500, and 2500 in sizes NPS 1/2 through NPS 24 that are acknowledged in Annex G in which only U.S. Customary units are provided. This Standard is limited to flanges and flanged fittings made from cast or forged materials, and blind flanges and certain reducing flanges made from cast, forged, or plate materials. Also included in this Standard are requirements and recommendations regarding flange bolting, flange gaskets, and flange joints.

ASME B16.5-2003 history

• 1970 ASME B16.5-2020 Forged Nonferrous Fittings, SocketWelding and Threaded (Titanium, Titanium Alloys, Aluminum, and Aluminum Alloys)
• 1970 ASME B16.5-2017 Forged Nonferrous Fittings, SocketWelding and Threaded (Titanium, Titanium Alloys, Aluminum, and Aluminum Alloys)
• 2013 ASME B16.5-2013 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
• 2009 ASME B16.5-2009 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
• 2003 ASME B16.5-2003 Pipe Flanges and Flanged Fittings: NPS 1/2 through 24
• 2002 ASME B16.5 INTERPRETATIONS-2002 Interpretations to B16.5 Pipe Flanges and Flanged Fittings (Includes Interpretations Through No. 4)
• 1997 ASME B16.5 INTERPRETATIONS-1997 Interpretations to B16.5-1996 Pipe Flanges and Flanged Fittings Includes Interpretation No. 3
• 1996 ASME B16.5-1996 Pipe flanges and flanged fittings - NPS 1/2 through NPS 24
• 1988 ASME B16.5 Errata-1988 Pipe flanges and flanged fittings; Errata
• 1988 ASME B16.5-1988 Pipe flanges and flanged fittings
• 1973 ASME B16.5-1973 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
• 1968 ASME B16.5-1968 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
• 1961 ASME B16.5-1961 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
• 1957 ASME B16.5-1957 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
• 1953 ASME B16.5-1953 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard

ASME B16.5-2003 -All Parts