Standard Specification for Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

03-01-2019

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 01.01, 2017 Defines spray-formed seamless ferritic/austenitic stainless steel pipe intended for general corrosive service, with particular emphasis on resistance to stress corrosion cracking.

1.1This specification covers spray-formed seamless ferritic/austenitic stainless steel pipe intended for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.

1.2Optional 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.

1.3Appendix X1 of this specification lists the dimensions of seamless stainless steel pipe as shown in ANSI B 36.19. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.

1.4The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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.

1.4.1Within the text, the SI units are shown in brackets.

1.4.2The 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.”

1.5This 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.

Committee	A 01
DocumentType	Standard
Pages	5
ProductNote	Reconfirmed 2001
PublisherName	American Society for Testing and Materials
Status	Current
Supersedes	ASTM A 949/A949M : 2001 : R2014

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