1、Designation:A52396(Reapproved 2012)Standard Specification forPlain End Seamless and Electric-Resistance-Welded SteelPipe for High-Pressure Pipe-Type Cable Circuits1This standard is issued under the fixed designation A523;the number immediately following the designation indicates the year oforiginal
2、adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers seamless and electric-resistance-welded steel pip
3、e used as conduit for the installationof high-pressure pipe-type electrical cables in NPS 4 to NPS12,inclusive,with nominal(average)wall thicknesses 0.219 to0.562 in.,depending on size.Pipe having other dimensions(Note 2)may be furnished,provided such pipe complies withall other requirements of this
4、 specification.NOTE1The dimensionless designator NPS(nominal pipe size)hasbeen substituted in this standard for such traditional terms as“nominaldiameter,”“size,”and“nominal size.”NOTE2A comprehensive listing of standardized pipe dimensions iscontained in ANSI B36.10.1.2 Pipe ordered under this spec
5、ification is suitable forwelding and for forming operations involving flaring,belling,and bending.1.3 Pipe for this purpose shall be furnished in Grade A orGrade B as specified in the purchase order.Grade A is moresuitable for forming operations involving bending,flaring,orbelling and this grade is
6、normally preferred.This provision isnot intended to prohibit the cold bending,flaring,or belling ofGrade B pipe.1.4 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand ar
7、e not considered standard.1.5 The following hazard caveat applies to the test methodportion,Section 20,of this specification:This standard doesnot purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriat
8、e safety and health practicesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsE5
9、9 Practice for Sampling Steel and Iron for Determinationof Chemical Composition(Withdrawn 1996)32.2 ANSI Standard:B36.10 Welded and Seamless Wrought Steel Pipe43.Ordering Information3.1 Orders for material under this specification shouldinclude the following,as required,to describe the desiredmateri
10、al adequately:3.1.1 Quantity(feet or number of lengths),3.1.2 Name of material(steel pipe),3.1.3 Method of manufacture(seamless or electric-resistance-welded),3.1.4 Grade(Table 1),3.1.5 Size(outside diameter and nominal wall thickness orweight per foot),3.1.6 Length when other than specified in Sect
11、ion 13,3.1.7 End finish(Section 16),3.1.8 Skelp for tension tests,if permitted 20.2,3.1.9 When mill applied coating is required(Section 10),and3.1.10 ASTM specification number.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the d
12、irect responsibility of SubcommitteeA01.09 on Carbon Steel Tubular Products.Current edition approved March 1,2012.Published November 2012.Originallyapproved in 1964.Last previous edition approved in 2005 as A523 96(2005).DOI:10.1520/A0523-96R12.This specification was initiated by the IEEE Insulated
13、Conductors Committee inrecognition of the need for a specification embodying the special requirements ofpipe for high-voltage electrical circuits.It was prepared for acceptance as an ASTMspecification by a task group of Subcommittee A01.09 of ASTM Committee A01.2For referenced ASTM standards,visit t
14、he ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Amer
15、ican National Standards Institute,11 West 42nd St.,13thFloor,New York,NY 10036.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1Copyright by ASTM Intl(all rights reserved);4.Process4.1 The steel shall be made by one or more of the following
16、processes:open-hearth,basic-oxygen,or electric-furnace.4.2 Steel may be cast in ingots or may be strand cast.Whensteels of different grades are sequentially strand cast,identifi-cation of the resultant transition material is required.Theproducer shall remove the transition material by any estab-lished procedure that positively separates the grades.5.Chemical Composition5.1 The steel shall conform to the requirements as tochemical composition prescribed in Table 2 and the chemicalanalysis shall b
