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ASTM A403/A403M-02

Historical Revision

Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings

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1.1 This specification covers wrought stainless steel fittings for pressure piping applications.

1.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are designated with a prefix, WP or CR, based on the applicable ANSI or MSS dimensional and rating standards, respectively.

1.3 For each of the WP stainless grades, several classes of fittings are covered, to indicate whether seamless or welded construction was utilized. Class designations are also utilized to indicate the nondestructive test method and extent of nondestructive examination (NDE). Table 1 is a general summary of the fitting classes applicable to all WP grades of stainless steel covered by this specification. There are no classes for the CR grades. Specific requirements are covered elsewhere.

1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable "M" specification designation (SI units), 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 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.

1.6 This specification does not apply to cast steel fittings. Austenitic stainless steel castings are covered in Specifications A351/A351M, A743/A743M, and A744/A744M.


SDO ASTM: ASTM International
Document Number A403
Publication Date June 10, 2002
Language en - English
Page Count 7
Revision Level 02
Supercedes
Committee A01.22
Publish Date Document Id Type View
Nov. 1, 2022 A0403_A0403M-22B Revision
Sept. 1, 2022 A0403_A0403M-22A Revision
March 1, 2022 A0403_A0403M-22 Revision
March 1, 2020 A0403_A0403M-20 Revision
Nov. 1, 2019 A0403_A0403M-19A Revision
March 1, 2019 A0403_A0403M-19 Revision
Sept. 1, 2018 A0403_A0403M-18A Revision
March 1, 2018 A0403_A0403M-18 Revision
May 1, 2016 A0403_A0403M-16 Revision
May 1, 2015 A0403_A0403M-15 Revision
Oct. 1, 2014 A0403_A0403M-14 Revision
Oct. 1, 2013 A0403_A0403M-13A Revision
May 1, 2013 A0403_A0403M-13 Revision
May 1, 2012 A0403_A0403M-12 Revision
Oct. 1, 2011 A0403_A0403M-11 Revision
Dec. 1, 2010 A0403_A0403M-10A Revision
May 1, 2010 A0403_A0403M-10 Revision
Oct. 1, 2009 A0403_A0403M-09 Revision
Nov. 1, 2007 A0403_A0403M-07A Revision
April 1, 2007 A0403_A0403M-07 Revision
March 1, 2006 A0403_A0403M-06 Revision
May 1, 2004 A0403_A0403M-04 Revision
May 10, 2003 A0403_A0403M-03A Revision
April 10, 2003 A0403_A0403M-03 Revision
June 10, 2002 A0403_A0403M-02 Revision
Oct. 10, 2001 A0403_A0403M-01 Revision
Oct. 10, 2001 A0403_A0403M-00B Revision
Not Available A0403_A0403M-98 Revision