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ASTM_A_595_-_A_595M_-_14.pdf
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TM_A_595_ _A_595M_ _14
Designation:A595/A595M14Standard Specification forSteel Tubes,Low-Carbon or High-Strength Low-Alloy,Tapered for Structural Use1This standard is issued under the fixed designation A595/A595M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of 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 three grades of seam-welded,round,tapered steel tubes for structural use.GradesAand B areof low-carbon steel or high-strength low-alloy steel composi-tion and Grade C is of weather-resistant steel composition.1.1.1 The product may be modified from its round crosssection into other shapes without subsequent retesting.1.2 This tubing is produced in welded sizes in a range ofdiameters from 238to 30 in.60 to 762 mm inclusive.Wallthicknesses range from 0.1046 to 0.375 in.2.66 to 9.53 mm.Tapers are subject to agreement with the manufacturer.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used indepedently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.2.Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA588/A588M Specification for High-Strength Low-AlloyStructural Steel,up to 50 ksi 345 MPa Minimum YieldPoint,with Atmospheric Corrosion ResistanceA606 Specification for Steel,Sheet and Strip,High-Strength,Low-Alloy,Hot-Rolled and Cold-Rolled,withImproved Atmospheric Corrosion ResistanceA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsG101 Guide for Estimating the Atmospheric Corrosion Re-sistance of Low-Alloy Steels3.Ordering Information3.1 The inquiry and order should indicate the following:3.1.1 Large and small diameters(in.)mm,length(ft)m,wall thickness(in.)mm,taper(in./ft)mm/m;3.1.2(see Table 1 and Table 2);3.1.3 Extra test material requirements,if any;and3.1.4 Supplementary requirements,if any.4.General Requirements for Delivery4.1 Required date of shipment or date of receipt,and4.2 Special shipping instructions,if any.5.Manufacture5.1 Tube steel shall be hot-rolled aluminum-semikilled orfine-grained killed sheet or plate manufactured by one or moreof the following processes:open-hearth,basic-oxygen,orelectric-furnace.5.2 Tubes shall be made from trapezoidal sheet or plate thatis preformed and then seam welded.Tubes shall be brought tofinal size and properties by roll compressing cold on ahardened mandrel.6.Chemical Composition6.1 Steel shall conform to the requirements for chemicalcomposition given in Tables 1 and 3.Chemical analysis shallbe in accordance with Test Methods,Practices,and Terminol-ogy A751.6.2 For Grade C material,the atmospheric corrosion-resistance index,calculated on the basis of the chemicalcomposition of the steel,as described in Guide G101,shall be6.0 or higher.NOTE1The user is cautioned that the Guide G101 predictive equationfor calculation of an atmospheric corrosion-resistance index has beenverified only for the composition limits stated in that guide.6.3 When required by the purchase order,the manufacturershall supply guidance concerning corrosion resistance that issatisfactory to the purchaser.1This specification is under 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 May 1,2014.Published May 2014.Originallyapproved in 1969.Last previous edition approved in 2011 as A595/A595M 11.DOI:10.1520/A0595_A0595M-14.2For 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 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);TABLE 1 Chemical RequirementsComposition by Heat Analysis,%ElementsGrade AGrade BGrade CCarbonSteelHSLA SSHSLAS Cl1HSLAS Cl2Carbon SteelHSLA SSHSLAS Cl1HSLAS Cl2A 606A 588/AA 588/BA 588/CA 588/KCarbon0.150.250.25 max0.23 max0.15 max0.150.250.25 max0.26 max0.15 max0.22 max0.19 max0.20 max0.15 max0.17 maxManganese0.300.901.35 max1.35 max1.35 max0.401.351.35 max1.50 max1.50 max1.25 max0.801.250.751.350.801.350.501.20Phosphorous 0.035 max0.035 max0.04 max0.04 max0.035 max0.035 max0.04 max0.04 maxA0.04 max0.04 max0.04 max0.04 maxSulfur0.035 max0.04 max0.04 max0.04 max0.035 max0.04 max0.04 max0.04 max0.04 max0.05 ma

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