Norm

ASTM A949/A949M-01(2014)

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

48,24

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie A01.10
Gepubliceerd op 01-03-2014
Taal Engels

1.1 This 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.

1.2 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.

1.3 Appendix 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.

1.4 The 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.

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

1.4.2 The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.

Note 1The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as “nominal diameter,” “size,” and “nominal size.”

Details

ICS-code 23.040.10
Nederlandse titel Standard Specification for Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe
Engelse titel Standard Specification for Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe

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