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ASTM A943/A943M-01(2005)

Historical Reaffirmation

Standard Specification for Spray-Formed Seamless Austenitic Stainless Steel Pipes (Withdrawn 2024)

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1.1 This specification covers spray-formed seamless austenitic stainless steel pipe intended for high-temperature and general corrosive service.

1.2 Grades TP304H, TP309H, TP309HCb, TP310H, TP310HCb, TP316H, TP321H, TP347H, and TP348H are modifications of Grades TP304, TP309Cb, TP309S, TP310Cb, TP310S, TP316, TP321, TP347, and TP348, and are intended for high-temperature service.

1.3 Optional supplementary requirements are provided for pipe where a greater degree of testing is desired. These supplementary requirements call for additional tests to be made and, when desired, one or more of these may be specified in the order.

1.4 Appendix X1 lists the dimensions of seamless stainless steel pipe as shown in ANSI B36.19. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.

1.5 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."


This specification covers spray-formed seamless austenitic stainless steel pipe intended for high-temperature and general corrosive service. The steel shall conform to the specified chemical composition and tensile requirements. The mechanical test requirement includes, transverse or longitudinal tension test, flattening test, hydrostatic test and grain size determination are presented. One tension tests shall be made on a specimen for lots of more than 100 pipes. For material heat treated in a batch-typed furnace, flattening tests shall be made on 5% of the pipe from each heat treated lot. Each length of finished pipe shall be subjected to hydrostatic tests.


SDO ASTM: ASTM International
Document Number A943
Publication Date Sept. 1, 2005
Language en - English
Page Count 7
Revision Level 01(2005)
Supercedes
Committee A01.10
Publish Date Document Id Type View
March 1, 2019 A0943_A0943M-01R19 Revision
March 10, 2001 A0943_A0943M-01 Revision
Oct. 10, 2000 A0943_A0943M-00 Revision
March 1, 2014 A0943_A0943M-01R14 Reaffirmation
Oct. 1, 2009 A0943_A0943M-01R09 Reaffirmation
Sept. 1, 2005 A0943_A0943M-01R05 Reaffirmation