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ASTM A108 - 07 Standard Specification for Steel Bar, Carbon and Alloy, Cold-Finished


This specification covers cold-finished carbon and Alloy Steel bars for heat treatment, machining into components, or for as-finished condition as shafting or in constructional applications. The steel materials shall be cold drawn, turned, ground, polished, hot wrought, cold rolled, and heat treated. The steel specimens shall undergo chemical analysis.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the Standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope


1.1 This specification covers cold-finished carbon and Alloy Steel bars produced in straight length and coil to chemical compositions. Cold-finished bars are suitable for heat treatment, for machining into components, or for use in the as-finished condition as shafting, or in constructional applications, or for other similar purposes (Note 1). Grades of steel are identified by grade numbers or by chemical composition.

Note 1
A guide for the selection of steel bars is contained in Practice A 400.

1.2 Some end uses may require one or more of the available designations shown under Supplementary Requirements. Supplementary requirements shall apply only when specified individually by the purchaser.

1.3 The values stated in inch-pound units are to be regarded as the Standard. The values given in parentheses are for information only.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the Standard.
ASTM Standards

A29/A29M Specification for steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A304 Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
A322 Specification for steel Bars, Alloy, Standard Grades
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A400 Practice for Steel Bars, Selection Guide, Composition, and Mechanical Properties
A510 Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel
A576 Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality

Other Documents

ISS Steel Bar Product Guidelines


Index Terms


Alloy Steel; carbon steel; cold-finished; steel bar;




ICS Code


ICS Number Code 77.140.60 (Steel bars and rods)



DOI: 10.1520/A0108-07

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ASTM A108 (Steel Standards)
Citing ASTM Standards


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