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1.1 This specification covers seamless and electric-resistance-welded steel pipe used as conduit for the installation of high-pressure pipe-type electrical cables in NPS 4 to NPS 12, inclusive, with nominal (average) wall thicknesses 0.219 to 0.562 in., depending on size. Pipe having other dimensions (Note 2) may be furnished, provided such pipe complies with all other requirements of this specification.
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."
Note 2—A comprehensive listing of standardized pipe dimensions is contained in ANSI B36.10.
1.2 Pipe ordered under this specification is suitable for welding and for forming operations involving flaring, belling, and bending.
1.3 Pipe for this purpose shall be furnished in Grade A or Grade B as specified in the purchase order. Grade A is more suitable for forming operations involving bending, flaring, or belling and this grade is normally preferred. This provision is not intended to prohibit the cold bending, flaring, or belling of Grade B pipe.
1.4 The values stated in inch-pound units are to be regarded as the standard.
1.5 The following hazard caveat applies to the test method portion, Section 20, of this specification: This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
E59 Practice for Sampling Steel and Iron for Determination of Chemical Composition
ANSI StandardB36.10 Welded and Seamless Wrought Steel Pipe Available from American National Standards Institute, 11 West 42nd St., 13th Floor, New York, NY 10036.
ICS Number Code 23.040.10 (Iron and steel pipes)
UNSPSC Code 40171602(Industrial seamless carbon steel pipe); 40171601(Industrial welded carbon steel pipe)