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ASTM A403/A403M

Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings

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Organization: ASTM
Publication Date: 1 March 2019
Status: active
Page Count: 10
ICS Code (Metal fittings): 23.040.40
scope:

This specification covers wrought stainless steel fittings for pressure piping applications.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 ASME or MSS dimensional and rating standards, respectively.

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.

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.

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

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

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA-403 in Section II of that Code.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM A403/A403M
March 1, 2019
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
September 1, 2018
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
March 1, 2018
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
May 1, 2016
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
May 1, 2015
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
October 1, 2014
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
October 1, 2013
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
May 1, 2013
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
May 1, 2012
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
October 1, 2011
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
December 1, 2010
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
May 1, 2010
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
October 1, 2009
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
November 1, 2007
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
April 1, 2007
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
March 1, 2006
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
May 1, 2004
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
(Footnote *) This specification covers wrought stainless steel fittings for pressure piping applications.(Footnote 2) Several grades of austenitic stainless steel alloys are included in this...
May 10, 2003
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications. Several grades of austenitic stainless steel alloys are included in this specification Grades are...
April 10, 2003
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications. Several grades of austenitic stainless steel alloys are included in this specification Grades are...
June 10, 2002
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications. Several grades of austenitic stainless steel alloys are included in this specification Grades are...
October 10, 2001
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications. Several grades of austenitic stainless steel alloys are included in this specification Grades are...
September 10, 2000
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
1. Scope 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...
June 10, 2000
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
This specification covers wrought stainless steel fittings for pressure piping applications.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are...
May 10, 2000
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
1. Scope 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...
November 10, 1999
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
1. Scope 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...

References

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