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1.1 This specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1/8 to NPS 26 [DN 6 to DN 650] (Note 0), inclusive, with nominal wall thickness (Note 0) as given in and . It shall be permissible to furnish pipe having other dimensions provided that such pipe complies with all other requirements of this specification.Note 0
The dimensionless designators NPS (nominal pipe size) [DN (diameter nominal)] have been substituted in this specification for such traditional terms as "nominal diameter," "size," and "nominal size."Note 0
The term nominal wall thickness has been assigned for the purpose of convenient designation, existing in name only, and is used to distinguish it from the actual wall thickness, which may vary over or under the nominal wall thickness.
1.2 This specification covers the following types and grades:
1.2.1 Type FFurnace-butt-welded, continuous welded Grade A,
1.2.2 Type EElectric-resistance-welded, Grades A and B, and
1.2.3 Type SSeamless, Grades A and B. See for definitions of types of pipe.
1.3 Pipe ordered under this specification is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas, and air lines. It is suitable for welding, and suitable for forming operations involving coiling, bending, and flanging, subject to the following qualifications:
1.3.1 Type F is not intended for flanging.
1.3.2 If Type S or Type E is required for close coiling or cold bending, Grade A is the preferred grade; however, this is not intended to prohibit the cold bending of Grade B pipe.
1.3.3 Type E is furnished either nonexpanded or cold expanded at the option of the manufacturer.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system is to be used independently of the other.
1.5 The text of this specification contains notes or footnotes, or both, that provide explanatory material. Such notes and footnotes, excluding those in tables and figures, do not contain any mandatory requirements.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A530/A530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A865 Specification for Threaded Couplings, Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints
B6 Specification for Zinc
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E213 Practice for Ultrasonic Testing of Metal Pipe and Tubing
E273 Practice for Ultrasonic Testing of the Weld Zone of Welded Pipe and Tubing
E309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation
E570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products
E1806 Practice for Sampling Steel and Iron for Determination of Chemical Composition
ANSI StandardsB1.20.1 Pipe Threads, General Purpose
ASME StandardB36.10M Welded and Seamless Wrought Steel Pipe Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http://www.asme.org.
Military StandardsMIL-STD-163 Steel Mill Products Preparation for Shipment and Storage
Federal StandardsFed.Std.No.183 Continuous Identification Marking of Iron and Steel Products
API Standard5B Specification for Threading, Gauging, and Thread Inspection of Casing, Tubing, and Line Pipe Threads Available from American Petroleum Institute (API), 1220 L. St., NW, Washington, DC 20005-4070, http://api-ec.api.org.
ICS Number Code 23.040.10 (Iron and steel pipes)
UNSPSC Code 40171601(Industrial welded carbon steel pipe); 40171602(Industrial seamless carbon steel pipe)
ASTM A53 / A53M-06, Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless, ASTM International, West Conshohocken, PA, 2006, www.astm.orgBack to Top