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1、Designation:A 36/A 36M 05StandardSpeci?cationforCarbonStructuralSteel1This standardis issuedunder the?xed designation A 36/A 36M;the number immediately following the designation indicates the yearof original adoption or,in the caseof revision,the year of last revision.A number in parenthesesindicate
2、s the year of last reapproval.A superscript epsilon(e)indicates an editorial changesince the last revision or reapproval.This standard has been approvedfor use by agenciesof the Department of Defense.1.Scope*1.1 This speci?cation2covers carbon steel shapes,plates,and bars of structuralqualityfor use
3、 in riveted,bolted,orwelded construction of bridges and buildings,and for generalstructural purposes.1.2 Supplementary requirements are provided for usewhereadditional testing or additional restrictions are required by thepurchaser.Such requirements apply only when speci?ed in thepurchase order.1.3
4、When the steel is to be welded,a welding proceduresuitable for the grade of steel and intended use or service is tobe utilized.See Appendix X3 of Speci?cation A 6/A 6M forinformationon weldability.1.4 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard.W
5、ithin the text,theSI units are shown in brackets.The values stated in eachsystem are not exact equivalents;therefore,each system is tobe used independently of the other,without combining valuesin any way.1.5 The text of this speci?cation contains notesor footnotes,or both,that provideexplanatory mat
6、erial.Such notes andfootnotes,excluding those in tables and?gures,do not containany mandatory requirements.1.6 For structuralproductsproduced fromcoil and fur-nished without heat treatment or with stress relieving only,theadditional requirements,includingadditional testing require-ments and the repo
7、rting of additional test results,of A 6/A 6Mapply.2.Referenced Documents2.1 ASTM Standards:3A 6/A 6MSpeci?cationforGeneralRequirementsforRolled Structural Steel Bars,Plates,Shapes,and SheetPilingA 27/A 27MSpeci?cation for Steel Castings,Carbon,forGeneral ApplicationA 307 Speci?cationforCarbonSteel B
8、oltsand Studs,60 000 psi Tensile StrengthA 325 Speci?cationforStructuralBolts,Steel,HeatTreated,120/105 ksi MinimumTensile StrengthA 325M Speci?cationforStructuralBolts,Steel,HeatTreated 830 MPa MinimumTensile Strength MetricA 500 Speci?cation for Cold-Formed Welded and SeamlessCarbon Steel Structur
9、al Tubing in Rounds and ShapesA 501 Speci?cation for Hot-Formed Welded and SeamlessCarbon Steel Structural TubingA 502 Speci?cation for Rivets,Steel,StructuralA 563 Speci?cation for Carbon and AlloySteel NutsA 563MSpeci?cationforCarbon and AlloySteel NutsMetricA 1011/A 1011MSpeci?cation for Steel,Sh
10、eet and Strip,Hot-Rolled,Carbon,Structural High Strengh Low Alloy,and High Strength Low Alloywith Improved FormabilityA 668/A 668M Speci?cationforSteel Forgings,Carbonand Alloy,for General Industrial UseF 568M Speci?cation for Carbon andAlloy Steel ExternallyThreaded Metric Fasteners3.AppurtenantMat
11、erials3.1 When components of a steel structure areidenti?ed withthis ASTM designation but the product form is not listed in thescope of this speci?cation,the material shall conform to one ofthe standards listed in Table 1 unless otherwise speci?ed by thepurchaser.4.General Requirementsfor Delivery4.
12、1 Structuralproducts furnishedunder this speci?cationshall conformto the requirements of the current edition ofSpeci?cationA 6/A 6M,for the speci?c structuralproductordered,unless a con?ict exists in which casethis speci?cationshall prevail.1This speci?cation is under the jurisdiction of ASTM Commit
13、tee A01 on Steel,Stainless Steel,andRelatedAlloys,and isthe direct responsibility of SubcommitteeA01.02 on Structural Steel for Bridges,Buildings,Rolling Stock,and Ships.Current edition approved March 1,2005.Published March 2005.Originallyapproved in 1960.Last previous edition approved in 2004 as A
14、36/A 36M 04.2For ASME Boiler and PressureVesselCodeApplications,see related Speci?-cations SA-36 in Section II of that Code.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandardsvolume information,refer t
15、othe standard sDocument Summary pageonthe ASTM website.1*A Summaryof Changes section appearsat the end of this standard.Copyright?ASTMInternational,100 BarrHarborDrive,PO Box C700,WestConshohocken,PA 19428-2959,UnitedStates.4.2 Coils are excluded from quali?cation to this speci?ca-tion until they ar
16、e processed into a?nished structural product.Structural products produced from coil means structural prod-ucts that have been cut to individuallengths from a coil.Theprocessor directly controls,or is responsible for,the operationsinvolvedin the processing of a coil into a?nished structuralproduct.Su
17、choperationsincludedecoiling,levelingorstraightening,hot-formingorcold-forming(ifapplicable),cutting to length,testing,inspection,conditioning,heat treat-ment(if applicable),packaging,marking,loading for shipment,and certi?cation.NOTE1Forstructural products produced fromcoiland furnishedwithout heat
18、 treatment or with stressrelieving only,two test results are tobe reported for each qualifyingcoil.Additionalrequirements regardingstructural products produced from coil are described in Speci?cation A6/A 6M.5.Bearing Plates5.1 Unless otherwise speci?ed,plates used as bearing platesfor bridges shall
19、 be subjected to mechanical tests and shallconform to the tensile requirements of Section 8.5.2 Unless otherwise speci?ed,mechanical tests shall not berequired for plates over 11?2in.40 mm in thickness used asbearing plates in structures other than bridges,subject to therequirement that they shall c
20、ontain 0.20 to 0.33%carbon byheat analysis,that the chemical composition shall conform tothe requirements of Table 2 in phosphorus and sulfur content,and that a sufficient discard shall be made to secure soundplates.6.Materialsand Manufacture6.1 The steel for plates and bars over1?2in.12.5 mm inthic
21、kness and shapes with?ange or leg thicknesses over 1 in.25 mm shall be semi-killed or killed.7.ChemicalComposition7.1 The heat analysis shall conformto the requirementsprescribed in Table 2,except as speci?ed in 5.2.7.2 The steel shall conformon productanalysis to therequirements prescribed in Table
22、 2,subject to the productanalysis tolerances in Speci?cation A 6/A 6M.8.Tension Test8.1 The material asrepresented by the test specimen,exceptasspeci?ed in 5.2 and 8.2,shall conform to the requirements asto the tensile properties prescribed in Table 3.8.2 Shapesless than 1 in.2645 mm2 in cross secti
23、on andbars,other than?ats,less than1?2in.12.5 mm in thickness ordiameter need not be subjected to tension tests by the manu-facturer,providedthat the chemicalcompositionused isappropriate for obtaining the tensile properties in Table 3.9.Keywords9.1 bars;boltedconstruction;bridges;buildings;carbon;p
24、lates;rivetedconstruction;shapes;steel;structuralsteel;welded constructionTABLE1AppurtenantMaterialSpeci?cationsNOTE1The speci?er should be satis?ed of the suitabilityof thesematerials forthe intended application.Chemicalcompositionand/ormechanical properties may be different than speci?ed in A 36/A
25、 36M.MaterialASTM DesignationSteel rivetsA 502,Grade 1BoltsA 307,Grade A or F 568M,Class 4.6High-strengthboltsA 325 or A 325MSteel nutsA 563 or A 563MCast steelA 27/A 27M,Grade 6535450 240Forgings(carbonsteel)A 668,Class DHot-rolled sheetsand stripA 1011/A 1011M,SS Grade36250 Type1 or Type 2 or A 10
26、18/A 1018MSSGrade 36250Cold-formedtubingA 500,Grade BHot-formedtubingA 501Anchor boltsF 1554TABLE2ChemicalRequirementsNOTE1 Where“.appears in this table,there is no requirement.The heat analysis for manganeseshall be determined and reported asdescribedin the heat analysis section of Speci?cation A 6
27、/A 6M.ProductShapesAPlatesBBarsBThickness,in.mmAllTo3?420,inclOver3?4to 11?220 to 40,inclOver 11?2to 21?240 to 65,inclOver 21?2to 465 to 100,inclOver 4100To3?420,inclOver3?4to 11?220 to 40,inclOver 11?2to 4100,inclOver 4100Carbon,max,%0.260.250.250.260.270.290.260.270.280.29Manganese,%.0.80 1.200.80
28、 1.200.85 1.200.85 1.20.0.60 0.900.60 0.900.60 0.90Phosphorus,max,%0.040.040.040.040.040.040.040.040.040.04Sulfur,max,%0.050.050.050.050.050.050.050.050.050.05Silicon,%0.40 max0.40 max0.40 max0.15 0.400.15 0.400.15 0.400.40 max0.40 max0.40 max0.40 maxCopper,min,%when cop-per steel is speci?ed0.200.2
29、00.200.200.200.200.200.200.200.20AManganesecontentof 0.85 1.35%and siliconcontentof 0.15 0.40%is requiredfor shapes with?ange thicknessover 3 in.75 mm.BFor each reductionof 0.01 percentagepoint below the speci?edcarbon maximum,an increaseof 0.06 percentagepoint manganeseabove the speci?ed maximumwil
30、l be permitted,up to the maximum of 1.35%.A 36/A 36M 052SUPPLEMENTARYREQUIREMENTSThese requirements shall not apply unless speci?ed in the order.Standardized supplementary requirements for use at the option of the purchaser are listed inSpeci?cation A 6/A 6M.Those that are considered suitable for us
31、ewith this speci?cation arelisted bytitle:S5.CharpyV-NotchImpactTest.S30.CharpyV-NotchImpactTest for StructuralShapes:AlternateCore LocationS32.Single Heat BundlesS32.1 Bundles containing shapes or bars shall be from asingle heat of steel.In addition,the followingoptional supplementaryrequirement is
32、 also suitable for use with this speci?cation:S97.Limitationon Rimmedor Capped SteelS97.1 The steel shall be other than rimmed or capped.SUMMARYOF CHANGESCommittee A01 has identi?ed the location of the followingchangesto this standard since A 36/A 36M-03a thatmay impact the use of this standard.(App
33、roved March 1,2005.)(1)Paragraph 6.1 was revised.Committee A01 has identi?ed the location of the followingchanges to this standard since A 36/A 36M-03a that may impactthe use of this standard.(Approved April 1,2004.)(1)Table 2 hasbeen revised to make Footnote B also applyto bars.(2)Supplementary Req
34、uirement S32 was added.TABLE3TensileRequirementsAPlates,Shapes,Band Bars:Tensile strength,ksi MPa5880400 550Yield point,min,ksi MPa36 250CPlatesand BarsD,E:Elongationin 8 in.200 mm,min,%20Elongationin 2 in.50 mm,min,%23Shapes:Elongationin 8 in.200 mm,min,%20Elongationin 2 in.50 mm,min,%21BASee the O
35、rientationsubsectionintheTension Tests sectionof Speci?cationA 6/A 6M.BFor wide?ange shapes with?ange thicknessover 3 in.75 mm,the 80 ksi 550MPa maximumtensile strength does not apply and a minimum elongationin 2 in.50 mm of 19%applies.CYield point 32 ksi 220 MPa for plates over 8 in.200 mm in thick
36、ness.DElongationnot requiredto be determinedfor?oor plate.EFor plates wider than 24 in.600 mm,the elongationrequirementis reducedtwo percentagepoints.See the ElongationRequirementAdjustmentssubsectionunder the Tension Tests section of Speci?cationA 6/A 6M.A 36/A 36M 053ASTM Internationaltakes no pos
37、itionrespectingthe validityof any patent rights assertedin connectionwith any item mentionedin this standard.Users of this standardare expresslyadvised that determinationof the validity of any such patent rights,and the riskof infringementof such rights,are entirely their own responsibility.This sta
38、ndardis subject to revision at any time by the responsibletechnical committeeand must be reviewed every?ve years andif not revised,either reapprovedor withdrawn.Your comments are invited either for revision of this standardor for additionalstandardsand should be addressedto ASTM InternationalHeadqua
39、rters.Your commentswill receive careful considerationat a meeting of theresponsibletechnical committee,which you may attend.If you feel that your commentshave not received a fair hearing you shouldmake your viewsknown to the ASTMCommitteeon Standards,at the addressshown below.This standardis copyrig
40、htedby ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,UnitedStates.Individualreprints(singleor multiplecopies)of this standardmay be obtainedby contactingASTMat the aboveaddressorat 610-832-9585(phone),610-832-9555(fax),orserviceastm.org(e-mail);orthroughtheASTMwebsite(www.astm.org).A 36/A 36M 054