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ASTM A249/A249M-04

Historical Revision

Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

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1.1 This specification covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels listed in Table 1, with various grades intended for such use as boiler, superheater, heat exchanger, or condenser tubes.

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

1.3 The tubing sizes and thicknesses usually furnished to this specification are 1/8 in. [3.2 mm] in inside diameter to 12 in. [304.8 mm] in outside diameter and 0.015 to 0.320 in. [0.4 to 8.1 mm], inclusive, in wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.

1.4 Mechanical property requirements do not apply to tubing smaller than 1/8 in. [3.2 mm] in inside diameter or 0.015 in. [0.4 mm] in thickness.

1.5 Optional supplementary requirements are provided and, when one or more of these are desired, each shall be so stated in the order.

1.6 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.

1.7 The following safety hazards caveat pertains only to the test method described in the Supplementary Requirements 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. A specific warning statement is given in Supplementary Requirement S7, Note S7.1.


SDO ASTM: ASTM International
Document Number A249
Publication Date May 1, 2004
Language en - English
Page Count 10
Revision Level 04
Supercedes
Committee A01.10
Publish Date Document Id Type View
May 1, 2024 A0249_A0249M-24A Revision
March 1, 2024 A0249_A0249M-24 Revision
Dec. 1, 2018 A0249_A0249M-18A Revision
July 1, 2018 A0249_A0249M-18 Revision
Sept. 1, 2016 A0249_A0249M-16A Revision
May 1, 2016 A0249_A0249M-16 Revision
Dec. 1, 2015 A0249_A0249M-15A Revision
Sept. 1, 2015 A0249_A0249M-15 Revision
Oct. 1, 2014 A0249_A0249M-14A Revision
March 1, 2014 A0249_A0249M-14 Revision
Oct. 1, 2010 A0249_A0249M-10A Revision
April 1, 2010 A0249_A0249M-10 Revision
March 1, 2008 A0249_A0249M-08 Revision
Sept. 1, 2007 A0249_A0249M-07 Revision
Sept. 1, 2004 A0249_A0249M-04A Revision
May 1, 2004 A0249_A0249M-04 Revision
Dec. 1, 2003 A0249_A0249M-03A Revision
Oct. 1, 2003 A0249_A0249M-03 Revision
March 10, 2002 A0249_A0249M-98E01 Revision
March 10, 2002 A0249_A0249M-02 Revision
March 10, 2002 A0249_A0249M-01A Revision
March 10, 2002 A0249_A0249M-01 Revision
Not Available A0249_A0249M-96A Revision
March 1, 2023 A0249_A0249M-18AR23 Reaffirmation