1、Designation:A29/A29M-11INTERNATIONALStandard Specification forSteel Bars,Carbon and Alloy,Hot-Wrought,GeneralRequirements forThis standard is issued under the fixed designation A29/A29M:the number immediately following the designation indicates the yearof original adoption or,in the case of revision
2、,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(s)indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope*1.3 The values stated in inch-
3、pound units or SI units are to1.1 This specification2 covers a group of common require-be regarded as the standard.Within the text,the SI units arements which,unless otherwise specified in the purchase ordershown in brackets.The values stated in each system are notor in an individual specification,s
4、hall apply to carbon and alloyexact equivalents;therefore,each system must be used inde-steel bars under each of the following ASTM specifications(orpendently of the other.Combining values from the two systemsunder any other ASTM specification which invokes thismay result in nonconformance with the
5、specification.specification or portions thereof):1.4 For purposes of determining conformance to this speci-Title of SpecificationASTMfication and the various material specifications referenced inDesignation1.1,dimensional values shall be rounded to the nearest unit inHot-Rolled Carbon Steel Bars:the
6、 right-hand place of figures used in expressing the limitingSteel Bars,Carbon,Quenched and TemperedA321Steel Bars and Shapes,Carbon Rolled fromT RailsA499values in accordance with the rounding method of PracticeSteel Bars,Carbon,Merchant Quality.M-GradesA575E29.Steel Bars,Carbon,Hot-Wrought,Special
7、QualityA576Steel Bars,Carbon,Merchant Quality.MechanicalA663/A663MNorE 1-Specification A29 previously listed dimensional tolerancesPropertiesfor cold-finished bars;these are now found in Specification A108.Steel Bars,Carbon,Hot-Wrought,Special Quality,MeA675/A675Mchanical Properties2.Referenced Docu
8、mentsSteel Bars for Springs,Carbon and AlloyA689Cold-Finished Carbon Steel Bars:2.1 ASTM Standards:3Steel Bars,Carbon and Alloy,Cold-FinishedA108A108 Specification for Steel Bar,Carbon and Alloy,Cold-Cold-Drawn Stress-Relieved Carbon Steel Bars Sub-A311/A311Mject to Mechanical Property RequirementsF
9、inishedHot-Rolled Alloy Steel Bars:A304 Specification for Carbon and Alloy Steel Bars SubjectSteel Bars,Alloy,Standard GradesA322to End-Quench Hardenability RequirementsCarbon and Alloy Steel Bars Subject to End-QuenchA304Hardenability RequirementsA311/A311M Specification for Cold-Drawn,Stress-Steel
10、 Bars,Alloy.Hot-Wrought or Cold-Finished.A434Relieved Carbon Steel Bars Subject to Mechanical Prop-Quenched and Temperederty RequirementsSteel Bars,Alloy,Hot-Wrought,for Elevated Tempera-A739ture or Pressure-Containing Parts,or BothA321 Specification for Steel Bars,Carbon,Quenched andCold-Finished A
11、lloy Steel Bars:Tempered*Steel Bars,Alloy,Hot-Rolled or Cold-Finished,A434A322 Specification for Steel Bars,Alloy,Standard GradesQuenched and TemperedSteel Bars,Carbon,Hot-Wrought or Cold-FinishedA696A370 Test Methods and Definitions for Mechanical TestingSpecial Quality,for Pressure Piping Componen
12、tsof Steel ProductsA These designations refer to the latest issue of the respective specifications,A434 Specification for Steel Bars,Alloy,Hot-Wrought orwhich appear either in the Annual Book of ASTM Standards,Vol 01.05.or asreprints obtainable from ASTM.Cold-Finished,Quenched and Tempered1.2 In cas
13、e of any conflict in requirements,the requirementsA499 Specification for Steel Bars and Shapes,Carbonof the purchase order,the individual material specification,andRolled from TRailsthis general specification shall prevail in the sequence named.A575 Specification for Steel Bars,Carbon,Merchant Qual-
14、ity,M-GradesThis specification is under the jurisdiction of ASTM Committee A0l on Steel.Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.15 on Bars.3 For referenced ASTM standards.visit the ASTM website,www.astm.org.orCurrent edition approved April 1.2011.Publis
15、hed May 2011.Originallycontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMapproved in 1957.Last previous edition approved in 2005 as A29/A29M-05.DOI:Standards volume information,refer to the standards Document Summary page on10.1520/A0029A0029M-11.the ASTM website.2 For ASME Boi
16、ler and Pressure Vessel Code applications see related Specifi-Withdrawn.The last approved version of this historical standard is referencedcation SA-29/SA-29M in Section II of that Code.on www.astm.org.*A Summary of Changes section appears at the end of this standard.Copyright ASTM International,100
17、 Barr Harbor Drive,PO Box C700.West Conshohocken.PA 19428-2959:United States.wrh ASTMNot for ResaleA29/A29M-11A576 Specification for Steel Bars,Carbon,Hot-Wrought,3.1.1.6 Bar Size Shapes-Angles,channels,tees,zees,Special Qualitywhen their greatest cross-sectional dimension is under 3 in.75A663/A663M
18、 Specification for Steel Bars.Carbon.Mer-mm,andchant Quality,Mechanical Properties3.1.1.7 Special Bar Sections-Half-rounds,ovals,half-A675/A675M Specification for Steel Bars,Carbon,Hot-ovals,other special bar size sections.Wrought,Special Quality,Mechanical Properties3.1.2 Cold-Finished Steel Bars-S
19、teel bars produced byA689 Specification for Carbon and Alloy Steel Bars forcold finishing previously hot-wrought bars by means of coldSpringsdrawing,cold forming,turning,grinding,or polishing(singlyA696 Specification for Steel Bars,Carbon,Hot-Wrought oror in combination)to yield straight lengths or
20、coils in sectionsCold-Finished,Special Quality,for Pressure Piping Com-that are uniform throughout their length and in the followingponentssections and sizes:A700 Practices for Packaging,Marking,and Loading Meth-3.1.2.1 Rounds-9 in.230 mmand under in diameter,ods for Steel Products for Shipment3.1.2
21、.2 Squares-6 in.150 mmand under between paral-A739 Specification for Steel Bars,Alloy,Hot-Wrought,forlel surfaces,Elevated Temperature or Pressure-Containing Parts,or3.1.2.3 Hexagons-4 in.100 mmand under betweenBothparallel surfaces,A751 Test Methods.Practices,and Terminology for Chemi-3.1.2.4 Flats
22、-/s in.3 mmand over in thickness and notcal Analysis of Steel Productsover 12 in.300 mmin width,andE29 Practice for Using Significant Digits in Test Data to3.1.2.5 Special Bar Sections.-Determine Conformance with Specifications3.1.3 Lot-Unless otherwise specified in the contract orE112 Test Methods
23、for Determining Average Grain Sizeorder,a lot shall consist of all bars submitted for inspection at2.2 Federal Standards:the same time of the same heat,condition,finish,size,or shape.Fed.Std.No.123 Marking for Shipment(Civil Agencies)For bars specified in the quenched and tempered condition,Fed.Std.
24、No.183 Continuous Identification Marking of Ironwhen heat treated in batch-type furnaces,a lot shall consist ofand Steel Productsall bars from the same heat,of the same prior condition.the2.3 Military Standard:5same size,and subjected to the same heat treatment in oneMIL-STD-163 Steel Mill Products-
25、Preparation for Ship-tempering charge.For bars specified in the quenched andment and Storagetempered condition,when heat treated without interruption in a2.4 Other Standards:continuous-type furnace,a lot shall consist of all bars from theAIAG B-1 Bar Code Symbology Standard for 3-of-9 Barsame heat,o
26、f the same prior condition,of the same size,andCodessubjected to the same heat treatment.AIAG B-5 02.00 Primary Metals Tag Application Standard3.Terminology4.Chemical Composition3.1 Definitions of Terms Specific to This Standard:4.1 Limits:3.1.1 Hot-Wrought Steel Bars-Steel bars produced by hot4.1.1
27、 The chemical composition shall conform to the re-forming ingots,blooms,billets,or other semifinished forms toquirements specified in the purchase order or the individualyield straight lengths(or coils,depending upon size,section,product specifications.For convenience the grades commonlyand mill equ
28、ipment)in sections that are uniform throughoutspecified for carbon steel bars are shown in Tables 1 and 2.their length,and in the following sections and sizes:Bars may be ordered to these grade designations and when so3.1.1.1 Rounds-732 to 10.0 in.5.5 to 250 mm.inclusive.ordered shall conform to the
29、 specified limits by heat analysis.3.1.1.2 Squares-732 to 6.0 in.6 to 160 mm,inclusive,4.1.2 When compositions other than those shown in Tables3.1.1.3 Round-Cornered Squares-7/32 to 8.0 in.6 to 2001 and 2 are required,the composition limits shall be preparedmm,inclusive,using the ranges and limits s
30、hown in Table 3 for carbon steel3.1.1.4 Flats-4 to 8 in.inclusive,in width:134 in.inand Table 4 for alloy steel.minimum thickness up to 6 in.in width;and 0.230 in.in4.2 Heat or Cast Analysis:minimum thickness for over 6 to 8 in.in width,inclusive over4.2.1 The chemical composition of each heat or ca
31、st shall be5 mm in thickness up to 150 mm in width:and over 6 mm indetermined by the manufacturer in accordance with Testthickness for over 150 mm through 200 mm in width.Methods,Practices,and Terminology A751.Maximum thickness for all widths is 4 in.100 mm.4.2.2 The heat or cast analysis shall conf
32、orm to the require-3.1.1.5 Hexagons and Octagons-V4 to 4116 in.6 to 103ments specified in the product specification or purchase order.mm,inclusive,between parallel surfaces,These can be the heat chemical range and limit for a gradedesignated in Tables I and 2,or another range and limit inCopies of m
33、ilitary specifications,military standards,and federal standardsaccordance with 4.1.2,or with requirements of the productrequired by contractors in connection with specific procurement functions should bespecification.obtained from the procuring activity or as directed by the contracting officer,or f
34、romthe Standardization Documents Order Desk,Bldg.4 Section D.700 Robbins Ave.NorE 2-Heat analysis for lead is not determinable since lead is addedPhiladelphia,PA 19111-5094.Attn:NPODS.to the ladle stream while each ingot is poured.When specified as an addedAvailable from Automotive Industry Action G
35、roup.North Park Plaza,Ste.830.element to a standard steel,the percentage of lead is reported as 0.15 to17117 W.Nine Mile Rd.,Southfield,MI 48075.0.35 incl,which is the range commonly specified for this element.wrh ASTMNot for ResaleA29/A29M-11TABLE 1 Grade Designations and Chemical Compositions of C
36、arbon Steel BarsHeat Chemical Ranges and Limits,Grade DesignationCarbonManganesePhosphorus,maxSulfur,maxNonresulfurized Carbon Steelss.c.D.E.F10050.06 max0.35 max0.0400.05010060.08 max0.25-0.400.0400.05010080.10 max0.30-0.500.0400.05010100.08-0.130.30-0.600.0400.05010110.08-0.130.60-0.900.0400.05010
37、120.100.150.30-0.6000400.05010130.11-0.160.50-0.800.0400.05010150.13-0.180.30-0.600.0400.05010160.13-0.180.60-0.900.0400.05010170.15-0.200.30-0.600.0400.05010180.15-0.200.60-0.900.0400.05010190.15-0.200.70-1.000.0400.05010200.18-0.230.30-0.600.0400.05010210.18-0.230.60-0.900.0400.05010220.18-0.230.7
38、0-1.000.0400.05010230.20-0.250.30-0.600.0400.05010250.22-0.280.30-0.600.0400.05010260.22-0.280.60-0.900.0400.05010290.25-0.310.60-0.900.0400.05010300.28-0.340.60-0.900.0400.05010340.32-0.380.50-0.800.0400.05010350.32-0.380.60-0.900.0400.05010370.32-0.380.70-1.000.0400.05010380.350.420.60-0.900.0400.
39、050103g0.370440.70-1.000.0400.05010400.37-0.440.60-0.900.0400.05010420.40-0.470.60-0.900.0400.05010430.40-0.470.70-1.000.0400.05010440.43-0.500.30-0.600.0400.05010450.43-0.500.60-0.900.0400.05010460.43-0.500.70-1.000.0400.05010490.460.530.60-0.900.0400.05010500.48-0.550.60-0.900.0400.05010530.480.55
40、0.70=1000.0400.05010550.50-0.600.60-0.900.0400.05010590.550.650.50-0.800.0400.05010600.55-0.650.60-0.900.0400.05010640.60-0.700.50-0.800.0400.05010650.60-0.700.60-0.900.0400.05010690.65-0.750.40-0.700.0400.05010700.65-0.750.60-0.900.0400.05010710.65-0.700.75-1.050.0400.05010740.70-0.800.50-0.800.040
41、0.05010750.70-0.800.40-0.700.0400.05010780.72-0.850.30-0.600.0400.05010800.75-0.880.60-0.900.0400.05010840.80-0.930.60-0.900.0400.05010860.80-0.930.30-0.500.0400.05010900.850.980.60-0.900.0400.05010950.90-1.030.30-0.500.0400.050Resulfurized Carbon SteelsB.D.F11080.08-0.130.60-0.800.0400.080.1311090.
42、08-0.130.60-0.900.0400.08-0.1311100.08-0.130.30-0.600.0400.080.1311160.14-0.201.10-1.400.0400.16-0.2311170.14-0.201.00-1.300.0400.080.1311180.14-0.201.30-1.600.0400.080.1311190.14-0.201.00-1.300.0400.240.3311320.27-0.341.35-1.650.0400.08-0.1311370.320.391.35-1.650.0400.080.1311390.35-0.431.35-1.650.
43、0400.13-0.2011400.37-0.440.70-1.000.0400.080.1311410.37-0.451.35-1.650.0400.080.1311440.40-0.481.35-1.650.0400.24-0.3311450.42-0.490.70-1000.0400.040.0711460.42-0.490.70-1.000.0400.080.1311510.480.550.70-1.000.0400.080.13wrh ASTMNot for Resale4A29/A29M-11TABLE 1 ContinuedRephosphorized and Resulfuri
44、zed Carbon SteelsFGrade DesignationCarbonManganesePhosphorousSulfurLead12110.13 max0.60-0.900.07-0.120.100.1512120.13 max0.70-1.000.07-0.120.160.2312130.13 max0.70-1.000.07-0.120.240.3312150.09 max0.75-1.050.04-0.090.260.3512L130.13 max0.70-1.000.07-0.120.240.330.150.3512L140.15 max0.85-1.150.04-0.0
45、90.260.350.15-0.3512L150.09 max0.75-1.050.040.090.260.350.150.35High-Manganese Carbon Steels.C.D.E.FGrade Des-Former Des-Phosphorous.Sulfur,ignationignationCarbonManganesemaxmax15130.10-0.161.10-1.400.0400.05015180.15-0211.10-1400.0400.05015220.18-0.241.10-1.400.0400.050152410240.19-0.251.35-1.650.0
46、400.05015250.23-0.290.80-1.100.0400.05015260.22-0.291.10-1.400.0400.050152710270.22-0.291.20-1.500.0400.050153610360.30-0.371.20-1.500.0400.050154110410.36-0.441.35-1.650.0400.05015470.43-0.511.35-1.650.0400.050154810480.440.521.10-1.400.0400.050155110510.45-0.560.85-1.150.0400.050155210520.470.551.
47、20-1.500.0400.050156110610.55-0.650.75-1.050.0400.050156610660.60-0.710.85-1.150.0400.050157210720.65-0.761.00-1.300.0400.050Heat Chemical Ranges and Limits,percentMerchant Quality M Series Carbon Steel BarsGrade Des-Phosphorous.ignationCarbonManganesemaxSulfur,maxM10080.10 max0.250.600.040.05M10100
48、.07-0.140.250.600.040.05M10120.090.160.25-0.600.040.05M10150.120.190.250.600.040.05M10170.140.210.250.600.040.05M10200.17-0.240.25-0.600.040.05M10230.190.270.250.600.040.05M10250.20-0.300.25-0.600.040.05M10310.26-0.360.250.600.040.05M10440.400.500.250.600.040.05A Maximum unless otherwise indicated.W
49、hen silicon is required,the following ranges and limits are commonly specified:0.10%,max,0.10%to20%0.15%to 0.35%,.20%to0.40%or0.30%to0.60%.Copper can be specified when required as 0.20%minimum.When lead is required as an added element to a standard steel,a range of 0.15 to 0.35%inclusive is specifie
50、d.Such a steel is identified by inserting the letterLbetween the second and third numerals of the grade designation,for example,10 L 45.A cast or heat analysis is not determinable when lead is added to the ladle stream.When boron treatment for killed steels is specified,the steels can be expected to
51、 contain 0.0005 to 0.003 boron.If the usual titanium additive is not permitted,thesteels can be expected to contain up to 0.005%boron.FThe elements bismuth,calcium,selenium,or tellurium may be added as agreed upon between purchaser and supplier.Unless prohibited by the purchaser,the manganese conten
52、t may exceed 0.60%on heat analysis to a maximum of 0.75%provided the carbon range on heat analysishas the minimum and maximum reduced by 0.01 for each 0.05 manganese over 0.60%wrh ASTMNot forResaleA29/A29M-11TABLE 2 Grade Designations and Chemical Compositions of Alloy Steel BarsNorE 1-Small quantit
53、ies of certain elements are present in alloy steels,which are not specified or required.These elements are considered asincidental and may be present to the following maximum amounts:copper,0.35%nickel,0.25%chromium,0.20 and molybdenum,0.06%NorE 2-Where minimum and maximum sulfur content is shown it
54、 is indicative of resulfurized steel.NorE 3-The chemical ranges and limits shown in Table 2 are produced to product analysis tolerances shown in Table 6.Nore 4-Standard alloy steels can be produced with a lead range of 0.15-0.35%.Such steels are identified by inserting the letterLbetween thesecond a
55、nd third numerals of the AISI number,for example,41 L 40.A cast or heat analysis is not determinable when lead is added to the ladle stream.GradeHeat Chemical Ranges and Limits,DesignationCarbonManganesePhosphorusSulfur,SiliconANickelChromiumMolybdenummaxmax13300.28-0.331.60-1.900.0350.0400.15to0.35
56、13350.33-0.381.60-1.900.0350.0400.15t00.3513400.38-0.431.60-1.900.0350.0400.15to0.3513450.43-0.481.60-1.900.0350.0400.15to0.3540120.09-0.140.75-1.000.0350.0400.15to0.354440.15-0.2540230.20-0.250.70-0.900.03500400.15t00.350.20-0.3040240.20-0.250.70-0.900.0350.035-0.0500.15to0.350.20-0.3040270.25-0.30
57、0.700.900.03500400.15to0.350.20-0.3040280.25-0.300.700.900.0350.0350.0500.15t00.350.20-0.3040320.30-0.350.70-0.900.0350.0400.15to0.350.20-0.3040370.35-0.400.70-0.900.0350.0400.15to0.350.20-0.3040420.40-0.450.700.900.0350.0400.15t00.350.20-0.3040470.45-0.500.70-0.900.0350.0400.15to0.350.20-0.3041180.
58、180.230.70-0.900.0350.0400.15t00.350.400.600.080.1541200.18-0.230.90-1.200.0350.0400.15to0.35.0.40-0.600.130.2041210.180230.75-1.0000350.0400.15to0.350.450.650.200.3041300.280.330.400.600.0350.0400.15to0.350.80-1.100.15-0.2541350.33-0.380.70-0.900.0350.0400.15to0.350.80-1.100.15-0.2541370.35-0.400.7
59、00.900.03500400.15to0.350.80-1.100.15-0.2541400.380.430.75-1.000.0350.0400.15t00.350.80-1.100.15-0.2541420.40-0.450.75-1.000.0350.0400.15to0.350.80-1.100.15-0.2541450.430.480.75-1.000.0350.0400.15t00.350.80-1.100.15-0.2541470.45-0.500.751.000.0350.0400.15t00.350.80-1.100.15-0.2541500.48-0.530.75-1.0
60、00.0350.0400.15to0.350.80-1100.15-0.2541610.56-0.640.75-1.000.0350.0400.15to0.350.700.900.25-0.3543200.17-0.220.450.650.0350.0400.15to0.351.65-2.000.40-0.600.20-0.3043400.38-0.430.600.800.0350.0400.15to0.351.65-2.000.700.900.20-0.30E43400.38-0.430.650850.0250.0250.15to0.351.65-2.000.70-0.900.20-0.30
61、44190.18-0.230.450.650.0350.0400.15to0.350.45-0.6044220.20-0.250.700900.0350.0400.15t00.350.35-0.4544270.24-0.290.700.900.0350.0400.15t00.350.35-0.4546150.130.180.450.650.0350.0400.15to0.351.65-2.000.20-0.3046200.17-0.220.450.650.0350.0400.15to0.351.65-2.000.20-0.3046210.18-0.230.70-0.900.0350.0400.
62、15to0.351.65-2.000.20-0.3046260.240290.450650.03500400.15to0.350.70-1.000.15-0.2547150.13-0.180.70-0.900.0350.0400.15t00.350.70-1.000.450.650.45-0.6047180.16-0.210.70-0.900.0350.0400.15to0.350.90-1.200.35-0.550.30-0.4047200.17-0.220.50-0.700.0350.0400.15to0.350.90-1.200.350.550.15-0.2548150.13-0.180
63、.40-0.600.0350.0400.15t00.353.25-3.750.20-0.3048170.15-0.200.40-0.600.0350.0400.15to0.353.253.75440.20-0.3048200.18-0.230.50-0.700.0350.0400.15t00.353.25-3.750.20-0.3050150.12-0.170.30-0.500.0350.0400.15t00.350.30-0.5050460.43-0.480.75-1.000.0350.0400.15to0.350.200.3551150.130.180.70-0.900.0350.0400
64、.15t00.350.700.9051200.17-0.220.70-0.900.0350.0400.15to0.350.700.9051300.28-0.330.700.900.0350.0400.15t00.350.80-1.1051320.30-0.350.60-0.800.0350.0400.15to0.350.75-1.0051350.33-0.380.60-0.800.0350.0400.15t00.350.80-1.0551400.380.430.70-0.900.0350.0400.15t00.350.70-0.9051450.43-0.480.70-0.900.0350.04
65、00.15to0.350.70-0.905147/0.46-0.510.700.950.03500400.15t00.350.85=1.1551500.48-0.530.70-0.900.0350.0400.15to0.350.70-0.9051550.510590.700.900.0350.0400.15to0.350.700.9051600.56-0.610.75-1.000.0350.0400.15t00.350.700.90E501000.98-1.100.250.450.0250.0250.15to0.350.40-0.60E511000.98-1.100.250.450.0250.
66、0250.15to0.350.90-1.15E521000.98-1.100.250.450.0250.0250.15to0.351.30-1.605210090.93-1.050.250.450.0250.0150.15to0.351.35-1.6061180.160.210.500.700.0350.0400.15t00.350.500.70(0.10-0.15V061500.48-0.530.70-0.900.0350.0400.15to0.350.80-1.10(0.15minV)81150.13-0.180.70-0.900.03500400.15to0.350.20-0.400.300.500.08-0.1586150.130.180.700.900.0350.0400.15t00.350.400.700.400.600.15-0.25vth ASTMntled without Fcense from IHSNot for Resale
