1、Designation:A501/A501M14Standard Specification forHot-Formed Welded and Seamless Carbon Steel StructuralTubing1This standard is issued under the fixed designation A501/A501M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of
2、 last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification covers black and
3、 hot-dipped galva-nized hot-formed welded and seamless carbon steel square,round,rectangular,or special shape structural tubing forwelded,riveted,or bolted construction of bridges andbuildings,and for general structural purposes.1.2 Square and rectangular tubing is furnished in sizes 1 to32 in.25 to
4、 800 mm across flat sides with wall thicknesses0.095 to 3.00 in.2.5 to 75 mm,dependent upon size;roundtubing is furnished in NPS12DN 15 to NPS 24 DN 600(see Note 1)inclusive,with nominal(average)wall thicknesses0.109 to 1.000 in.2.8 to 25.4 mm,dependent upon size.Special shape tubing and tubing with
5、 other dimensions ispermitted to be furnished,provided that such tubing complieswith all other requirements of this specification.NOTE1The dimensionless designator NPS DN(nominal pipe size)has been substituted in this standard for such traditional terms as“nominaldiameter,”“size,”and“nominal size.”1
6、.3 This specification covers the following grades:1.3.1 Grade A 36 000 psi 250 MPa min yield strength.1.3.2 Grade B 50 000 psi 345 MPa min yield strength.1.4 An optional supplementary requirement is provided forGrade B and,when desired,shall be so stated on the order.1.5 The following precautionary
7、statement pertains only tothe test method portion of this specification:This standard doesnot purport to address all the safety concerns,if any,associ-ated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicab
8、ility of regulatory limitations priorto use.1.6 This specification is expressed in both inch-pound unitsand in SI units;however,unless the purchase order specifiesthe applicable M specification designation(SI units),theinch-pound units shall apply.The values stated in either SIunits or inch-pound un
9、its 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 independently of the other.Combining values from the two systems may result in noncon-formance with the st
10、andard.1.7 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 requirements.2.Referenced Documents2.1 ASTM Standards:2A53/A53M Specification for Pipe,Steel,Black and H
11、ot-Dipped,Zinc-Coated,Welded and SeamlessA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA700 Practices for Packaging,Marking,and Loading Meth-ods for Steel Products for Shipment(Withdrawn 2014)3A751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel Prod
12、uctsA941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and Ferroalloys2.2 AIAG Standard:4B-1 Bar Code Symbology Standard3.Terminology3.1 DefinitionsFor definitions of terms used in thisspecification,refer to Terminology A941.4.Ordering Information4.1 Orders for material under this spec
13、ification shall containinformation concerning as many of the following items as arerequired to describe the desired material adequately:1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.
14、09 on Carbon Steel Tubular Products.Current edition approved Oct.1,2014.Published October 2014.Originallyapproved in 1964.Last previous edition approved in 2007 as A501 07.DOI:10.1520/A0501_A0501M-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service a
15、t 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 Automotive Industry Action Group(AIAG),26200 Lahser Rd.,Suite 200,
16、Southfield,MI 48033,http:/www.aiag.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1Copyright by ASTM Intl(all rights reserved);4.1.1 Quantity(feet metres or number of lengths),4.1.2 Name of material(hot-formed tubing),4.1.3 Grade(A or B)4.1.4 Method of manufacture(seamless or welded)(seeSection 6),4.1.5 Finish(black or galvanized),4.1.6 Size(outside diameter and calcu