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ASTM A1040-09

Historical Revision

Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels

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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.


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.

SDO ASTM: ASTM International
Document Number A1040
Publication Date April 1, 2009
Language en - English
Page Count 12
Revision Level 09
Supercedes
Committee A01.15
Publish Date Document Id Type View
Nov. 1, 2017 A1040-17 Revision
Sept. 1, 2015 A1040-10R15E01 Revision
April 1, 2010 A1040-10 Revision
April 1, 2009 A1040-09 Revision
March 1, 2007 A1040-07 Revision
June 15, 2006 A1040-06 Revision
Dec. 1, 2004 A1040-04 Revision
Sept. 1, 2022 A1040-17R22 Reaffirmation