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ASTM A928/A928M-00

Historical Revision

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

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1.1 This 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."

1.2 This specification covers nine 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.

1.3 Five classes of pipe are covered as follows:

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

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

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

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

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

1.4 Supplementary 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 when desired.

1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the "M" designation of the specification is specified in the order.


SDO ASTM: ASTM International
Document Number A928
Publication Date May 10, 2000
Language en - English
Page Count 5
Revision Level 00
Supercedes
Committee A01.10
Publish Date Document Id Type View
Oct. 1, 2014 A0928_A0928M-14 Revision
Oct. 1, 2013 A0928_A0928M-13 Revision
Nov. 1, 2011 A0928_A0928M-11 Revision
Nov. 1, 2009 A0928_A0928M-09A Revision
Aug. 1, 2009 A0928_A0928M-09 Revision
March 1, 2008 A0928_A0928M-08A Revision
Jan. 1, 2008 A0928_A0928M-08 Revision
Sept. 1, 2005 A0928_A0928M-05 Revision
March 1, 2004 A0928_A0928M-04 Revision
May 10, 2000 A0928_A0928M-00 Revision
March 1, 2021 A0928_A0928M-14R21 Reaffirmation