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ASTM A 1040 Document Information:
Title
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels
ASTM International
Publication Date:
Mar 1, 2007
Scope:
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.
Included in this guide are the recommendations for determining
the number of significant figures for specifying chemical
composition.
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.
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.
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.
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.
*A Summary of Changes section appears at the end of this
standard.
Keywords:
- carbon steels
- harmonized carbon, low-alloy, and alloy steel compositions
- alloy steels
- low-alloy steels
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