A 358 _ A 358M _ 04 ;QTM1OC9BMZU4TQ__

A 358 _ A 358M _ 04 ;QTM1OC9BMZU4TQ__ - Designation: A...

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Unformatted text preview: Designation: A 358/A 358M 04 Used in USDOE-NE Standards Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications 1 This standard is issued under the fixed designation A 358/A 358M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon ( e ) indicates an editorial change since the last revision or reapproval. 1. Scope* 1.1 This specification 2 covers electric-fusion-welded auste- nitic chromium-nickel stainless steel pipe suitable for corrosive or high-temperature service, or both, or for general applica- tions. N OTE 1The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as nominal diameter, size, and nominal size. 1.2 This specification covers the grades of alloy and stain- less steel listed in Table 1. The selection of the proper grade 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 employing filler metal in all passes and shall be completely radiographed. 1.3.2 Class 2 Pipe shall be double welded by processes employing filler metal in all passes. No radiography is re- quired. 1.3.3 Class 3 Pipe shall be single welded by processes employing filler metal in all passes and shall be completely radiographed. 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 employing filler metal in all passes and shall be spot radio- graphed. 1.4 Supplementary requirements covering provisions rang- ing from additional testing to formalized procedures for manufacturing practice are provided. Supplementary Require- ments S1 through S6 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 specifi- cation. The inch-pound units shall apply unless the M designation of this specification is specified in the order....
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A 358 _ A 358M _ 04 ;QTM1OC9BMZU4TQ__ - Designation: A...

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