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ASTM A 928/A928M : 2014 : R2021

Current
Current

The latest, up-to-date edition.

Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-22-2021

1.1This specification covers electric-fusion-welded steel pipe suitable for corrosive service.

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

1.2This specification covers grades of ferritic/austenitic steel as indicated in Table 1. The selection of the proper alloy and requirements for heat treatment shall be at the discretion of the purchaser, dependent on the service conditions to be encountered.

1.3Five classes of pipe are covered as follows:

1.3.1Class 1—Pipe shall be double welded by processes using filler metal in all passes and shall be radiographed completely.

1.3.2Class 2—Pipe shall be double welded by processes using filler metal in all passes. No radiograph is required.

1.3.3Class 3—Pipe shall be single welded by processes using filler metal in all passes and shall be radiographed completely.

1.3.4Class 4—Same as Class 3, except that the weld pass exposed to the inside pipe surface is permitted to be made without the addition of filler metal (see 6.2.2.1 and 6.2.2.2).

1.3.5Class 5—Pipe shall be double welded by processes using filler metal in all passes and shall be spot radiographed.

1.4Supplementary requirements covering provisions ranging from additional testing to formalized procedures for manufacturing practice are provided. Supplementary Requirements S1 through S4 are included as options to be specified in the purchase order when desired.

1.5The 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. The inch-pound units shall apply unless the M designation of the specification is specified in the order.

1.6This 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
6
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

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ASTM E 426 : 2016 : R2021 Standard Practice for Electromagnetic (Eddy Current) Examination of Seamless and Welded Tubular Products, Titanium, Austenitic Stainless Steel and Similar Alloys
ASTM A 941 : 2023 Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
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ASTM A 941 : 2022 : REV A Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
ASTM A 941 : 2024 Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
ASTM A 240/A240M : 2022 : REV A Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
ASTM A 999/A999M : 2023 Standard Specification for General Requirements for Alloy and Stainless Steel Pipe
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ASTM A 480/A480M : 2023 Standard Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
ASTM A 480/A480M : 2020 : REV A Standard Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
ASTM A 941 : 2018 Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
ASTM A 240/A240M : 2023 : REV A Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
ASTM A 480/A480M : 2022 : REV A Standard Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip

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