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ASTM A790

1985 Edition, March 29, 1985

Complete Document

Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

Includes all amendments and changes through Change/Amendment , March 29, 1985


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Superseded By: ASTM A790/A790M

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Additional Comments:
W/D S/S BY ASTM A790/A790M
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Product Details:

  • Revision: 1985 Edition, March 29, 1985
  • Published Date: March 29, 1985
  • Status: Superseded By:
  • Superseded By: ASTM A790/A790M
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 5
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This specification2 covers seamless and straight-seam welded ferritic/austenitic 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.

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.

Table Xl.l of this specification lists the dimensions of welded and seamless stainless steel pipe as shown in ANSI B36.19. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.

The values stated in inch-pound units are to be regarded as standard.

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."

2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA-790 in Section II of that Code.