ASTM A1040-10
(Guide)Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels
SIGNIFICANCE AND USE
It is anticipated that the ASTM Subcommittees A01.02, A01.03, A01.06, A01.09, A01.11, A01.15, A01.19, A01.22, and A01.28 will use the standard composition limits listed in this guide for the grades identified in their product specifications unless there is a specific technical justification for doing otherwise.
The composition limits given in this guide are to be used as guides in determining limits for each of the elements included in the total composition of each grade. The composition limits have been established with the intent that each ASTM subcommittee will find it necessary to require only a minimum number of changes to reflect specific technical effects. Section 5 lists the general guidelines followed for determining the limits for each element; the limits established in this guide are based upon these guidelines.
SCOPE
1.1 This guide covers ASTM Subcommittees A01.02, A01.03, A01.06, A01.09, A01.11, A01.15, A01.19, A01.22, and A01.28 for specifying chemical composition limits of wrought carbon, low-alloy, and alloy steels. It is intended that these recommended grade composition limits be suitable for adoption by other standardization bodies that prepare standards for carbon, low-alloy, and alloy steel products, including discontinued steels.
1.2 Included in this guide are the recommendations for determining the number of significant figures for specifying chemical composition.
1.3 The carbon and alloy steel grades in all standards overseen by the aforementioned ASTM subcommittees have been included, except those grades applicable to restricted special end uses.
1.4 Not addressed are minor composition modifications that a specific ASTM subcommittee may find necessary to accommodate effects of normal processing or to enhance fabricability by the producer or user, or both.
1.5 Also not generally addressed (except where established by ASTM subcommittees) is a complete rationalization of all limits, especially where such would conflict with long-standing practices and is not justified by special technical effect.
1.6 This guide does not address discontinued or formerly standard steel grades. A listing of such steel grades can be found in SAE J1249. Also excluded from this guide are cast materials and welding filler metals.
1.7 In 1995, the AISI made the decision to transfer the responsibility of maintaining its numbering system to the Society of Automotive Engineers (SAE) for carbon and alloy steels (SAE J403 and SAE J404) and to ASTM International for stainless steels (Guide A959 and others). To inform users of this important event, historical information is included in the appendix of this standard.
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Designation: A1040 − 10
StandardGuide for
Specifying Harmonized Standard Grade Compositions for
1
Wrought Carbon, Low-Alloy, and Alloy Steels
This standard is issued under the fixed designation A1040; the number immediately following the designation indicates the year of
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.
1. Scope* this important event, historical information is included in the
appendix of this standard.
1.1 This guide covers ASTM Subcommittees A01.02,
A01.03,A01.06,A01.09,A01.11,A01.15,A01.19,A01.22,and
2. Referenced Documents
A01.28 for specifying chemical composition limits of wrought
2
2.1 ASTM Standards:
carbon, low-alloy, and alloy steels. It is intended that these
A276 Specification for Stainless Steel Bars and Shapes
recommended grade composition limits be suitable for adop-
A941 TerminologyRelatingtoSteel,StainlessSteel,Related
tion by other standardization bodies that prepare standards for
Alloys, and Ferroalloys
carbon, low-alloy, and alloy steel products, including discon-
A959 Guide for Specifying Harmonized Standard Grade
tinued steels.
Compositions for Wrought Stainless Steels
3
1.2 Included in this guide are the recommendations for
2.2 SAE Standards:
determining the number of significant figures for specifying
SAE J403 Chemical Compositions of SAE Carbon Steels
chemical composition.
SAE J404 Chemical Compositions of SAE Alloy Steels
SAE J1013 Measurement of Whole Body Vibration of the
1.3 The carbon and alloy steel grades in all standards
Seated Operator of Off-Highway Work Machines
overseen by the aforementioned ASTM subcommittees have
SAE J1249 Former SAE Standard and Former SAE EX-
been included, except those grades applicable to restricted
Steels
special end uses.
3. Terminology
1.4 Not addressed are minor composition modifications that
a specific ASTM subcommittee may find necessary to accom-
3.1 Definitions of Terms Specific to This Standard:
modate effects of normal processing or to enhance fabricability
3.1.1 long product, n—generic term describing wrought
by the producer or user, or both.
bars, rod, wire, rail, tubing (welded and seamless), plate, and
pipe.
1.5 Also not generally addressed (except where established
3.1.1.1 Discussion—Product forms such as “C” shapes,
by ASTM subcommittees) is a complete rationalization of all
“HP” shapes, “L” shapes, “M” shapes, “MC” shapes, “S”
limits,especiallywheresuchwouldconflictwithlong-standing
shapes, “W” shapes, and sheet piling are considered long
practices and is not justified by special technical effect.
products. Such product forms are produced to mechanical
1.6 This guide does not address discontinued or formerly
properties and are not normally produced to the chemical
standard steel grades. A listing of such steel grades can be
compositions listed in this guide.
found in SAE J1249. Also excluded from this guide are cast
3.1.2 flat product, n—generic term describing wrought sheet
materials and welding filler metals.
and strip.
1.7 In 1995, the AISI made the decision to transfer the
3.2 Refer to Terminology A941 for additional definitions of
responsibility of maintaining its numbering system to the
terms used in this guide.
Society of Automotive Engineers (SAE) for carbon and alloy
steels (SAE J403 and SAE J404) and to ASTM International
4. Significance and Use
forstainlesssteels(GuideA959andothers).Toinformusersof
4.1 It is anticipated that the ASTM Subcommittees A01.02,
A01.03,A01.06,A01.09,A01.11,A01.15,A01.19,A01.22,and
1 2
This guide is under the jurisdiction of ASTM Committee A01 on Steel, For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
A01.15 on Bars. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved April 1, 2010. Published April 2010. Originally the ASTM website.
3
approved in 2004. Last previous edition approved in 2009 as A1040 – 09. DOI: Available from Society of Automotive Engineers (SAE), 400 Commonwealth
10.1520/A1040-10. Dr., Warrendale, PA 15096-0001.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
A1040 − 10
A01.28 will use the standard composition limits listed in this 6. Harmonized Standard Grade Wrought Carbon, Low-
guide for the grades identified in their product specifications Alloy, and Alloy Steel Compositions
unless there is a specific technical justific
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:A1040–09 Designation:A1040–10
Standard Guide for
Specifying Harmonized Standard Grade Compositions for
1
Wrought Carbon, Low-Alloy, and Alloy Steels
This standard is issued under the fixed designation A1040; the number immediately following the designation indicates the year of
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.
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, and A01.28
for specifying chemical composition limits of wrought carbon, low-alloy, and alloy steels. It is intended that these recommended
grade composition limits be suitable for adoption by other standardization bodies that prepare standards for carbon, low-alloy, and
alloy steel products, including discontinued steels.
1.2 Included in this guide are the recommendations for determining the number of significant figures for specifying chemical
composition.
1.3 The carbon and alloy steel grades in all standards overseen by the aforementioned ASTM subcommittees have been
included, except those grades applicable to restricted special end uses.
1.4 Not addressed are minor composition modifications that a specific ASTM subcommittee may find necessary to
accommodate effects of normal processing or to enhance fabricability by the producer or user, or both.
1.5 Also not generally addressed (except where established byASTM subcommittees) is a complete rationalization of all limits,
especially where such would conflict with long-standing practices and is not justified by special technical effect.
1.6 This guide does not address discontinued or formerly standard steel grades. A listing of such steel grades can be found in
SAE J1249. Also excluded from this guide are cast materials and welding filler metals.
1.7 In 1995, the AISI made the decision to transfer the responsibility of maintaining its numbering system to the Society of
Automotive Engineers (SAE) for carbon and alloy steels (SAE J403 and SAE J404) and toASTM International for stainless steels
(Guide A959 and others). To inform users of this important event, historical information is included in the appendix of this
standard.
2. Referenced Documents
2
2.1 ASTM Standards:
A276 Specification for Stainless Steel Bars and Shapes
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys Terminology Relating to Steel, Stainless
Steel, Related Alloys, and Ferroalloys
A959 Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
3
2.2 SAE Standards:
SAE J403 Chemical Compositions of SAE Carbon Steels
SAE J404 Chemical Compositions of SAE Alloy Steels
SAE J1013 Measurement of Whole Body Vibration of the Seated Operator of Off-Highway Work Machines
SAE J1249 Former SAE Standard and Former SAE EX-Steels
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 long product, n—generic term describing wrought bars, rod, wire, rail, tubing (welded and seamless), plate, and pipe.
3.1.1.1 Discussion—Product forms such as “C” shapes, “HP” shapes, “L” shapes, “M” shapes, “MC” shapes, “S” shapes, “W”
shapes, and sheet piling are considered long products. Such product forms are produced to mechanical properties and are not
normally produced to the chemical compositions listed in this guide.
1
This guide is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.97 on
Harmonization of Carbon and Alloy Steel Compositions.
Current edition approvedApril 1, 2009.2010. PublishedApril 2009.2010. Originally approved in 2004. Last previous edition approved in 20072009 asA1040 – 079. DOI:
10.1520/A1040-109.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
A1040–10
3.1.2 flat product, n—generic term describing wrought sheet and strip.
3.2 Refer to Ter
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