This standard is issued under the fixed designation A 135; 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 ( ュ) indicates an editorial change since the last revision or reapproval.

This specification has been approved for use by agencies of the Department of Defense. Consult the DoD Index of Specifications and Standards for specific year of issue which has been adopted by the Department of Defense.

1.Scope

1.1 This specification covers five grades of electric -fusion (arc)-welded straight-seam or spiral-seam steel pipe in NPS 4 to 92 (Note 1) inclusive with nominal (average) wall thick-dimensions (Note 2) may be furnished provided such pipe complies with all other requirements of this specification. The grades of steel are pipe mill grades having mechanical properties which differ from standard plate grades, The pipe is intended for conveying liquid , gas, or vapor.

NOTE 1ΑThe dimensionless designator NPS 9nominal pipe size) has been substituted in this standard for such traditional terms as "nominal diameter," "size," and "nominal size."
NOTE 2ΑA comprehensive listing of standardized pipe dimensions is contained in ANSI B36.10.
NOTE 3ΑT he suitability of pipe for various purposes is somewhat dependent on its dimensions, properties, and conditions of service. For example, for high-temperature service see applicable codes and Specification A 691.

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

JIS Number and Corrensponding Foreign Standards