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ASTM A988/A988M-05

Historical Revision

Standard Specification for Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service

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1.1 This specification covers hot isostatically-pressed, powder metallurgy, stainless steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts made to specified dimensions or to dimensional standards, such as in ASME specification B16.5.

1.2 Several grades of martensitic, austenitic, age hardening, and austenitic-ferritic stainless steels are included in this specification.

1.3 Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.

1.4 This specification is expressed in both inch-pound units and in SI units. Unless the order specifies the applicable "M" specification designation (SI units), however, the material shall be furnished to inch-pound units.

1.5 The values stated in either inch-pound units or SI units are to be regarded separately as the standard. Within the text, the SI units are shown in parentheses. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

The following safety hazards caveat pertains only to test methods portions , , , and Section of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number A988
Publication Date March 1, 2005
Language en - English
Page Count 12
Revision Level 05
Supercedes
Committee A01.22
Publish Date Document Id Type View
May 1, 2023 A0988_A0988M-23 Revision
May 1, 2017 A0988_A0988M-17 Revision
May 1, 2016 A0988_A0988M-16 Revision
Dec. 1, 2015 A0988_A0988M-15A Revision
March 1, 2015 A0988_A0988M-15 Revision
Oct. 1, 2013 A0988_A0988M-13 Revision
May 1, 2011 A0988_A0988M-11 Revision
Sept. 1, 2007 A0988_A0988M-07 Revision
March 1, 2005 A0988_A0988M-05 Revision
March 10, 1998 A0988_A0988M-98R02E01 Revision