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ASTM A1040 - 10 (2015)e1.pdf

Designation A1040 − 10 Reapproved 20151Standard Guide forSpecifying Harmonized Standard Grade Compositions forWrought Carbon, Low-Alloy, and Alloy Steels1This standard is issued under the fixed designation A1040; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon indicates an editorial change since the last revision or reapproval.ε1NOTEUnits statement was inserted in 1.8 editorially in September 2015.1. Scope*1.1 This guide covers ASTM Subcommittees A01.02,A01.03,A01.06,A01.09,A01.11,A01.15,A01.19,A01.22, andA01.28 for specifying chemical composition limits of wroughtcarbon, low-alloy, and alloy steels. It is intended that theserecommended grade composition limits be suitable for adop-tion by other standardization bodies that prepare standards forcarbon, low-alloy, and alloy steel products, including discon-tinued steels.1.2 Included in this guide are the recommendations fordetermining the number of significant figures for specifyingchemical composition.1.3 The carbon and alloy steel grades in all standardsoverseen by the aforementioned ASTM subcommittees havebeen included, except those grades applicable to restrictedspecial end uses.1.4 Not addressed are minor composition modifications thata specific ASTM subcommittee may find necessary to accom-modate effects of normal processing or to enhance fabricabilityby the producer or user, or both.1.5 Also not generally addressed except where establishedby ASTM subcommittees is a complete rationalization of alllimits, especially where such would conflict with long-standingpractices and is not justified by special technical effect.1.6 This guide does not address discontinued or formerlystandard steel grades. A listing of such steel grades can befound in SAE J1249. Also excluded from this guide are castmaterials and welding filler metals.1.7 In 1995, the AISI made the decision to transfer theresponsibility of maintaining its numbering system to theSociety of Automotive Engineers SAE for carbon and alloysteels SAE J403 and SAE J404 and to ASTM Internationalfor stainless steels Guide A959 and others. To inform users ofthis important event, historical information is included in theappendix of this standard.1.8 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards2A276/A276M Specification for Stainless Steel Bars andShapesA941 Terminology Relating to Steel, Stainless Steel, RelatedAlloys, and FerroalloysA959 Guide for Specifying Harmonized Standard GradeCompositions for Wrought Stainless Steels2.2 SAE Standards3SAE J403 Chemical Compositions of SAE Carbon SteelsSAE J404 Chemical Compositions of SAE Alloy SteelsSAE J1013 Measurement of Whole Body Vibration of theSeated Operator of Off-Highway Work MachinesSAE J1249 Former SAE Standard and Former SAE EX-Steels3. Terminology3.1 Definitions of Terms Specific to This Standard3.1.1 long product, ngeneric term describing wroughtbars, rod, wire, rail, tubing welded and seamless, plate, andpipe.3.1.1.1 DiscussionProduct forms such as “C” shapes,“HP” shapes, “L” shapes, “M” shapes, “MC” shapes, “S”shapes, “W” shapes, and sheet piling are considered longproducts. Such product forms are produced to mechanical1This guide is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.15 on Bars.Current edition approved Sept. 1, 2015. Published September 2015. Originallyapproved in 2004. Last previous edition approved in 2010 as A1040-10. DOI10.1520/A1040-10R15E01.2For 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 standard’s Document Summary page onthe ASTM website.3Available from SAE International SAE, 400 Commonwealth Dr., Warrendale,PA 15096, http//www.sae.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 States1properties and are not normally produced to the chemicalcompositions listed in this guide.3.1.2 flat product, ngeneric term describing wrought sheetand strip.3.2 Refer to Terminology A941 for additional definitions ofterms used in this guide.4. Significance and Use4.1 It is anticipated that the ASTM Subcommittees A01.02,A01.03,A01.06,A01.09,A01.11,A01.15,A01.19,A01.22, andA01.28 will use the standard composition limits listed in thisguide for the grades identified in their product specificationsunless there is a specific technical justification for doingotherwise.4.2 The composition limits given in this guide are to be usedas guides in determining limits for each of the elementsincluded in the total composition of each grade. The compo-sition limits have been established with the intent that eachASTM subcommittee will find it necessary to require only aminimum number of changes to reflect specific technicaleffects. Section 5 lists the general guidelines followed fordetermining the limits for each element; the limits establishedin this guide are based upon these guidelines.5. General Guidelines Used for Determining CompositionLimits5.1 Table 1 gives typical chemical composition limits forrespective elements.6. Harmonized Standard Grade Wrought Carbon, Low-Alloy, and Alloy Steel Compositions6.1 The harmonized composition limits are given in Tables2-17, grouped by metallurgical classification. Within all tables,grades are listed in numerical order.6.2 Unless adopted by the appropriate product subcommit-tee in an ASTM standard, the compositions described in thisguide shall not be used for specifying an ASTM product.6.3 Criteria for the addition of grades to the grade lists inthis guide are as follows 1 New grades will be consideredbased upon the grade meeting a standard grade designation andchemistry; 2 New grades shall have an annual production orconsumption of 250 tons 225 Mg; 3 New grades shall havethe sponsorship of at least two individual users or producers.7. Keywords7.1 alloy steels; carbon steels; harmonized carbon, low-alloy, and alloy steel compositions; low-alloy steelsTABLE 1 Expression of Chemical Composition LimitsChemical Element Chemical Composition LimitC, Cr, Cu, Mn, Mo, Ni, Pb, Si Two decimal places 0.xx or 1.xx Al, Ca, N, Nb Cb, P, S, Sn, Ti, V Three decimal places 0.xxx B Four decimal places 0.xxxx A1040 − 10 201512TABLE 2 Chemical Composition for Nonresulfurized Carbon SteelsGradeComposition,A,B,CCMnP max S max P max S maxLong Product Flat Product1001 0.01 max 0.35 max 0.030 0.0351002 0.02 max 0.35 max 0.030 0.0351003 0.04 max 0.35 max 0.030 0.0351004 0.02/0.06 0.35 max 0.030 0.0351005 0.06 max 0.35 max 0.040 0.050 0.030 0.0351006B0.02/0.08 0.45 max 0.030 0.0351006D0.08 max 0.25-0.45 0.040 0.0501006E0.08 max 0.45 max 0.030 0.0351007 0.02/0.10 0.50 max 0.030 0.0351008D0.10 max 0.30-0.50 0.040 0.0501008E0.10 max 0.50 max 0.030 0.0351009 0.15 max 0.60 max 0.030 0.0351010 0.08-0.13 0.30-0.60 0.040 0.050 0.030 0.0351011 0.08-0.13 0.60-0.90 0.040 0.0501012 0.10-0.15 0.30-0.60 0.040 0.050 0.030 0.0351013D, F0.11-0.16 0.50-0.80 0.040 0.0501013E0.11-0.16 0.30-0.60 0.030 0.0351015 0.13-0.18 0.30-0.60 0.040 0.050 0.030 0.0351016 0.13-0.18 0.60-0.90 0.040 0.050 0.030 0.0351017 0.15-0.20 0.30-0.60 0.040 0.050 0.030 0.0351018 0.15-0.20 0.60-0.90 0.040 0.050 0.030 0.0351019 0.15-0.20 0.70-1.00 0.040 0.050 0.030 0.0351020 0.18-0.23 0.30-0.60 0.040 0.050 0.030 0.0351021 0.18-0.23 0.60-0.90 0.040 0.050 0.030 0.0351022 0.18-0.23 0.70-1.00 0.040 0.050 0.030 0.0351023 0.20-0.25 0.30-0.60 0.040 0.050 0.030 0.0351024 0.18-0.25 1.30-1.65 0.035 0.0351025 0.22-0.28 0.30-0.60 0.040 0.050 0.030 0.0351026 0.22-0.28 0.60-0.90 0.040 0.050 0.030 0.0351027 0.22-0.29 1.20-1.55 0.035 0.0351029 0.25-0.31 0.60-0.90 0.040 0.0501030 0.28-0.34 0.60-0.90 0.040 0.050 0.030 0.0351033 0.30-0.36 0.70-1.00 0.040 0.050 0.030 0.0351034 0.32-0.38 0.50-0.80 0.040 0.0501035 0.32-0.38 0.60-0.90 0.040 0.050 0.030 0.0351037 0.32-0.38 0.70-1.00 0.040 0.050 0.030 0.0351038 0.35-0.42 0.60-0.90 0.040 0.050 0.030 0.0351039 0.37-0.44 0.70-1.00 0.040 0.050 0.030 0.0351040 0.37-0.44 0.60-0.90 0.040 0.050 0.030 0.0351042 0.40-0.47 0.60-0.90 0.040 0.050 0.030 0.0351043 0.40-0.47 0.70-1.00 0.040 0.050 0.030 0.0351044 0.43-0.50 0.30-0.60 0.040 0.0501045 0.43-0.50 0.60-0.90 0.040 0.050 0.030 0.0351046 0.43-0.50 0.70-1.00 0.040 0.050 0.030 0.0351049 0.46-0.53 0.60-0.90 0.040 0.050 0.030 0.0351050 0.48-0.55 0.60-0.90 0.040 0.050 0.030 0.0351053 0.48-0.55 0.70-1.00 0.040 0.0501055 0.50-0.60 0.60-0.90 0.040 0.050 0.030 0.0351059 0.55-0.65 0.50-0.80 0.040 0.0501060 0.55-0.65 0.60-0.90 0.040 0.050 0.030 0.0351064 0.60-0.70 0.50-0.80 0.040 0.050 0.030 0.0351065 0.60-0.70 0.60-0.90 0.040 0.050 0.030 0.0351069 0.65-0.75 0.40-0.70 0.040 0.0501070 0.65-0.75 0.60-0.90 0.040 0.050 0.030 0.0351070mG0.65-0.75 0.80-1.10 0.025 0.0251071 0.65-0.70 0.75-1.05 0.040 0.0501074 0.70-0.80 0.50-0.80 0.040 0.050 0.030 0.0351075 0.70-0.80 0.40-0.70 0.040 0.0501078 0.72-0.85 0.30-0.60 0.040 0.050 0.030 0.0351080 0.75-0.88 0.60-0.90 0.040 0.050 0.030 0.0351084 0.80-0.93 0.60-0.90 0.040 0.050 0.030 0.0351085 0.80-0.93 0.70-1.00 0.040 0.050 0.030 0.0351086 0.80-0.93 0.30-0.50 0.040 0.050 0.030 0.035A1040 − 10 201513TABLE 2 ContinuedGradeComposition,A,B,CCMnP max S max P max S maxLong Product Flat Product1090 0.85-0.98 0.60-0.90 0.040 0.050 0.030 0.0351095 0.90-1.03 0.30-0.50 0.040 0.050 0.030 0.035AWhere silicon is required, the following ranges and limits are commonly specified 0.10 maximum, 0.10 to 0.20 , 0.15 to 0.35 , 0.15 to 0.40 , 0.20 to0.40 , or 0.30 to 0.60 .BIf required, copper can be specified as 0.20 minimum.CWhere boron treatment for killed steel is specified for enhanced hardenability, titanium is generally added to shield the boron from oxidation. Boron levels between0.0005 and 0.0030 can be expected for this practice. If the usual titanium addition is not permitted, the steel may contain up to 0.0050 boron for enhancedhardenability.DLong product.EFlat product.FSAE J1013 has chemical limits for manganese of 0.30-0.60 .G1070m has chemical limits for silicon, 0.15-0.35 ; chromium, 0.20 maximum; nickel, 0.25 maximum; and molybdenum, 0.10 maximum.TABLE 3 Chemical Composition for Resulfurized SteelsGradeComposition,A,BC Mn P max S max1108 0.08-0.13 0.60-0.80 0.040 0.08-0.131109 0.08-0.13 0.60-0.90 0.040 0.08-0.131110 0.08-0.13 0.30-0.60 0.040 0.08-0.131115 0.13-0.20 0.60-0.90 0.040 0.08-0.131116 0.14-0.20 1.10-1.40 0.040 0.16-0.231117 0.14-0.20 1.00-1.30 0.040 0.08-0.131118 0.14-0.20 1.30-1.60 0.040 0.08-0.131119 0.14-0.20 1.00-1.30 0.040 0.24-0.331132 0.27-0.32 1.35-1.65 0.040 0.08-0.131137 0.32-0.39 1.35-1.65 0.040 0.08-0.131139 0.35-0.43 1.35-1.65 0.040 0.13-0.201140 0.37-0.44 0.70-1.00 0.040 0.08-0.131141 0.37-0.45 1.35-1.65 0.040 0.08-0.131144 0.40-0.48 1.35-1.65 0.040 0.24-0.331145 0.42-0.49 0.70-1.00 0.040 0.04-0.071146 0.42-0.49 0.70-1.00 0.040 0.08-0.131151 0.48-0.55 0.70-1.00 0.040 0.08-0.13AIt is not common practice to produce these steels to specified limits for silicon because of its adverse effect on machinability.BWhere silicon is required, the following ranges and limits are commonly specified 0.10 maximum, 0.10 to 0.20 , 0.15 to 0.35 , 0.20 to 0.40 , or 0.30to 0.60 .TABLE 4 Chemical Composition for Rephosphorized and Resulfurized Carbon SteelsGradeComposition,A,BCMnP S1211 0.13 max 0.60-0.90 0.07-0.12 0.10-0.151212 0.13 max 0.70-1.00 0.07-0.12 0.16-0.231213 0.13 max 0.70-1.00 0.07-0.12 0.24-0.331215 0.09 max 0.75-1.05 0.04-0.09 0.26-0.35AIt is not common practice to produce these steels to specified limits for silicon because of its adverse effect on machinability.BWhere silicon is required, the following ranges and limits are commonly specified 0.10 maximum, 0.10 to 0.20 , 0.15 to 0.35 , 0.20 to 0.40 , or 0.30to 0.60 .A1040 − 10 201514TABLE 5 Chemical Composition for High-Manganese Carbon SteelsGradeComposition,A,B,CCMnP max S max P max S maxLong Product Flat Product1513 0.10-0.16 1.10-1.40 0.040 0.0501518 0.15-0.21 1.10-1.40 0.040 0.0501522 0.18-0.24 1.10-1.40 0.040 0.0501524 0.19-0.25 1.35-1.65 0.040 0.050 0.030 0.0351525 0.23-0.29 0.80-1.10 0.040 0.0501526 0.22-0.29 1.10-1.40 0.040 0.0501527 0.22-0.29 1.20-1.50 0.040 0.050 0.030 0.0351536 0.30-0.37 1.20-1.50 0.040 0.050 0.030 0.0351541 0.36-0.44 1.35-1.65 0.040 0.050 0.030 0.0351547 0.43-0.51 1.35-1.65 0.040 0.0501548 0.44-0.52 1.10-1.40 0.040 0.050 0.030 0.0351551 0.45-0.56 0.85-1.15 0.040 0.0501552 0.47-0.55 1.20-1.50 0.040 0.050 0.030 0.0351561 0.55-0.65 0.75-1.05 0.040 0.0501566 0.60-0.71 0.85-1.15 0.040 0.0501572 0.65-0.76 1.00-1.30 0.040 0.050AWhere silicon is required, the following ranges and limits are commonly specified 0.10 maximum, 0.10 to 0.20 , 0.15 to 0.35 , 0.20 to 0.40 , or 0.30to 0.60 .BIf required, copper can be specified as 0.20 minimum.CIf lead is required as an added element to a standard steel, a range of 0.15 to 0.35 inclusive is specified. Such a steel is identified by inserting the letter “L” betweenthe second and third numerals of the grade designation, for example, 15L25. A heat analysis is not determinable where lead is added to the ladle stream.TABLE 6 Chemical Composition for Carbon Steels with Hardenability RequirementsGradeComposition, C Mn P max S max Si1038H 0.34-0.43 0.50-1.00 0.040 0.050 0.15-0.301045H 0.42-0.51 0.50-1.00 0.040 0.050 0.15-0.301522H 0.17-0.25 1.00-1.50 0.040 0.050 0.15-0.301524H 0.18-0.26 1.25-1.75 0.040 0.050 0.15-0.301526H 0.21-0.30 1.00-1.50 0.040 0.050 0.15-0.301541H 0.35-0.45 1.25-1.75 0.040 0.050 0.15-0.301552H 0.47-0.55 1.00-1.50 0.040 0.050 0.15-0.30TABLE 7 Chemical Composition for Standard High-Manganese Boron Carbon Steels with Hardenability RequirementsGradeComposition,ACMnP S Si15B21H 0.17-0.24 0.70-1.20 0.040 0.050 0.15-0.3015B35H 0.31-0.39 0.70-1.20 0.040 0.050 0.15-0.3015B37H 0.30-0.39 1.00-1.50 0.040 0.050 0.15-0.3015B41H 0.35-0.45 1.25-1.75 0.040 0.050 0.15-0.3015B48H 0.43-0.53 1.00-1.50 0.040 0.050 0.15-0.3015B62H 0.54-0.67 1.00-1.50 0.040 0.050 0.15-0.30AWhere boron treatment for killed steel is specified for enhanced hardenability, titanium is generally added to shield the boron from oxidation. Boron levels between0.0005 and 0.0030 can be expected for this practice. If the usual titanium addition is not permitted, the steel may contain up to 0.0050 boron for enhancedhardenability.TABLE 8 Chemical Composition for Standard High-Manganese Boron Carbon Steels with Restricted

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