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ASTM A409/A409M-95ae1

Historical Revision

Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

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1.1 This specification covers straight seam or spiral seam electric-fusion-welded, light-wall, austenitic chromium-nickel alloy steel pipe for corrosive or high-temperature service. The sizes covered are NPS 14 to 30 with extra light (Schedule 5S) and light (Schedule 10S) wall thicknesses. Table X1.1 shows the wall thickness of Schedule 5S and 10S pipe. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.

1.2 Several grades of alloy steel are covered as indicated in Table 1.

1.3 Optional supplementary requirements are provided. These call for additional tests to be made, and when desired shall be stated in the order, together with the number of such tests required.

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. 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 inch-pound units shall apply unless the "M" designation of this specification is specified in the order.

Note 1--The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as "nominal diameter," "size," and "nominal size."

SDO ASTM: ASTM International
Document Number A409
Publication Date March 10, 2001
Language en - English
Page Count 6
Revision Level 95ae1
Supercedes
Committee A01.10
Publish Date Document Id Type View
March 1, 2024 A0409_A0409M-24 Revision
Nov. 1, 2019 A0409_A0409M-19 Revision
March 1, 2015 A0409_A0409M-15 Revision
Oct. 1, 2014 A0409_A0409M-14 Revision
Oct. 1, 2013 A0409_A0409M-13 Revision
Oct. 1, 2009 A0409_A0409M-09 Revision
Dec. 15, 2008 A0409_A0409M-08A Revision
March 1, 2008 A0409_A0409M-08 Revision
March 10, 2001 A0409_A0409M-95AE01 Revision
March 10, 2001 A0409_A0409M-01 Revision
Sept. 1, 2005 A0409_A0409M-01R05 Reaffirmation