1、Designation:A252/A252M19Standard Specification forWelded and Seamless Steel Pipe Piles1This standard is issued under the fixed designation A252/A252M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number
2、in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers nominal(average)wall steelpipe piles of cylindrical shape and applies to pipe piles inwhich the steel cylinder acts as
3、 a permanent load-carryingmember,or as a shell to form cast-in-place concrete piles.Pipepiles are produced as both welded and seamless products.1.2 This specification is expressed in both inch-pound unitsand SI units;however,unless the purchase order or contractspecifies the applicable M specificati
4、on designation(SI units),the inch-pound units shall apply.The values stated in eitherinch-pound or SI units are to be regarded separately asstandard.Within the text,the SI units are shown in brackets.The values stated in each system may not be exact equivalents;therefore,each system shall be used in
5、dependently of the other.Combining values from two systems may result in nonconfor-mance with the standard.1.3 The text of this specification contains notes and foot-notes that provide explanatory material.Such notes andfootnotes,excluding those in tables and figures,do not containany mandatory requ
6、irements.1.4 The following precautionary caveat pertains only to thetest method portion,Section 16 of this specification.Thisstandard does not purport to address all of the safety problems,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate sa
7、fety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of Int
8、ernational Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA751 Test Methods,Practices,and Terminology for Chemi-ca
9、l Analysis of Steel ProductsA941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and FerroalloysE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications3.Terminology3.1 Definitions:3.1.1 Definitions of terms used in this specification shall bein
10、accordance with Terminology A941.3.1.2 defectan imperfection of sufficient size or magnitudeto be cause for rejection.3.1.3 heat lota group of pipe piles of the same outsidediameter,nominal wall thickness,and steel heat.3.1.4 imperfectionany discontinuity or irregularity foundin the pipe.4.Ordering
11、Information4.1 Orders for material under this specification shall containinformation concerning as many of the following items as arerequired to describe the desired material adequately:4.1.1 Quantity(feet or number of lengths),4.1.2 Name of material(steel pipe piles),4.1.3 Method of manufacture(sea
12、mless or welded),4.1.4 Grade(Tables 1 and 2),4.1.5 Product analysis(specify if product analysis isrequired,if not ladle analysis will be used)(see Section 9),4.1.6 Size(outside diameter and nominal wall thickness),4.1.7 Weight(specify if each piece must be weighed)(see12.1),1This specification is un
13、der the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.09 on Carbon Steel Tubular Products.Current edition approved July 1,2019.Published July 2019.Originally approvedin 1944.Last previous edition approved in 2018 as
14、 A252 10(2018).DOI:10.1520/A0252_A0252M-19.2For referenced ASTM standards,visit the 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.*A Summary of Changes s
15、ection appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on P
16、rinciples for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.8 Lengths(single random,double random,or uniform)(see Section 13),4.1.9 End finish(Section 15),and4.1.10 ASTM specification designation and year of issue,4.1.11 Location of purchasers inspection(see 19.1),and4.1.12 Bar coding(see 22.2).5.Materials and Manufacture5.1 The piles shall be made by the seamless,electricresistance weld
