ASTM A1040-07
(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.
TABLE 1 Expression of Chemical Composition Limits Chemical ElementChemical Composition Limit C, Cr, Cu, Mn, Mo, Ni, Pb, SiTwo decimal places (0.xx % ) or (1.xx %) Al, Ca, N, Nb (Cb), P, S, Sn, Ti, VThree decimal places (0.xxx %) BFour decimal places (0.xxxx %)
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.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:A1040–07
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 A 1040; 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 (e) indicates an editorial change since the last revision or reapproval.
3
1. Scope* 2.2 SAE Standards:
SAE J403 Chemical Compositions of SAE Carbon Steels
1.1 This guide covers ASTM Subcommittees A01.02,
SAE J404 Chemical Compositions of SAE Alloy Steels
A01.03,A01.06,A01.09,A01.11,A01.15,A01.19,A01.22,and
SAE J1013 Measurement of Whole Body Vibration of the
A01.28 for specifying chemical composition limits of wrought
Seated Operator of Off-Highway Work Machines
carbon, low-alloy, and alloy steels. It is intended that these
SAE J1249 Former SAE Standard and Former SAE EX-
recommended grade composition limits be suitable for adop-
Steels
tion by other standardization bodies that prepare standards for
carbon, low-alloy, and alloy steel products, including discon-
3. Terminology
tinued steels.
3.1 Definitions of Terms Specific to This Standard:
1.2 Included in this guide are the recommendations for
3.1.1 long product, n—generic term describing wrought
determining the number of significant figures for specifying
bars, rod, wire, rail, tubing (welded and seamless), plate, and
chemical composition.
pipe.
1.3 The carbon and alloy steel grades in all standards
3.1.1.1 Discussion—Product forms such as “C” shapes,
overseen by the aforementioned ASTM subcommittees have
“HP” shapes, “L” shapes, “M” shapes, “MC” shapes, “S”
been included, except those grades applicable to restricted
shapes, “W” shapes, and sheet piling are considered long
special end uses.
products. Such product forms are produced to mechanical
1.4 Not addressed are minor composition modifications that
properties and are not normally produced to the chemical
a specific ASTM subcommittee may find necessary to accom-
compositions listed in this guide.
modate effects of normal processing or to enhance fabricability
3.1.2 flat product, n—generictermdescribingwroughtsheet
by the producer or user, or both.
and strip.
1.5 Also not generally addressed (except where established
3.2 Refer toTerminologyA 941 for additional definitions of
by ASTM subcommittees) is a complete rationalization of all
terms used in this guide.
limits,especiallywheresuchwouldconflictwithlong-standing
practices and is not justified by special technical effect.
4. Significance and Use
1.6 This guide does not address discontinued or formerly
4.1 It is anticipated that the ASTM Subcommittees A01.02,
standard steel grades. A listing of such steel grades can be
A01.03,A01.06,A01.09,A01.11,A01.15,A01.19,A01.22,and
found in SAE J1249. Also excluded from this guide are cast
A01.28 will use the standard composition limits listed in this
materials and welding filler metals.
guide for the grades identified in their product specifications
2. Referenced Documents unless there is a specific technical justification for doing
2 otherwise.
2.1 ASTM Standards:
4.2 Thecompositionlimitsgiveninthisguidearetobeused
A 941 Terminology Relating to Steel, Stainless Steel, Re-
as guides in determining limits for each of the elements
lated Alloys, and Ferroalloys
included in the total composition of each grade. The compo-
sition limits have been established with the intent that each
1
This guide is under the jurisdiction of ASTM Committee A01 on Steel,
ASTM subcommittee will find it necessary to require only a
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
minimum number of changes to reflect specific technical
A01.97 on Harmonization of Carbon and Alloy Steel Compositions.
effects. Section 5 lists the general guidelines followed for
Current edition approved March 1, 2007. Published March 2007. Originally
approved in 2004. Last previous edition approved in 2006 as A 1040 – 06.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from Society of Automotive Engineers (SAE), 400 Commonwealth
the ASTM website. 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 ----------------------
A1040–07
TABLE 1 Expression of Chemical Composition Limits
6.2 Unless adopted by the appropriate product subcommit-
Chemical Element Chemical Composition Limit
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.