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1991 Edition, July 15, 1991

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Standard Specification for Seamless Ferritic Alloy-Steel Pipe Specially Heat Treated for High-Temperature Service

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Product Details:

  • Revision: 1991 Edition, July 15, 1991
  • Published Date: July 15, 1991
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 5
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

1. Scope

1.1 This specification covers nominal (average) wall seamless, annealed or normalized and tempered alloy steel pipe intended for high-temperature service after special heat treatment. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. The pipe shall be given a special heat treatment after any shop fabrication and prior to installation in service.

1.2 The high-temperature properties of the materials covered in this specification are dependent upon special heat treatment that is required. Although the high-temperature properties are not specified, they are implied by control of chemistry, heat treatment and room-temperature properties.

1.3 The manufacturer shall furnish the pipe in the annealed or normalized and tempered condition, and shall demonstrate that the pipe when specially heat treated, will be capable of meeting the prescribed ambient temperature properties.

1.4 Supplementary requirements of an optional nature are provided. These supplementary requirements call for additional tests to be made, and, when desired, shall be so stated in the order together with the number of such tests required.

1.5 The values stated in inch-pound units are to be regarded as the 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."