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ASTM A663/A663M-89(2000)

Historical Reaffirmation

Standard Specification for Steel Bars, Carbon, Merchant Quality, Mechanical Properties

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1.1 This specification covers hot-wrought merchant quality carbon steel bars and bar size shapes produced to mechanical property requirements and intended for noncritical constructional applications (see 3.2).

1.2 Merchant quality hot-wrought steel bar is available in the following ranges of size and section:

1.2.1 Rounds, squares, and hexagons with diameters or distance across flats under 3 in. [75 mm].

1.2.2 Bar size shapes with maximum dimensions under 3 in. [75 mm].

1.2.3 Other bar sections with weight per foot under 40.84 lb/ft [60.78 kg/m].

1.2.4 Flats 6 in. [152 mm] or under in width, over 0.203 in. [over 5 mm in thickness up to 150 mm in width] in thickness, and under 40.84 lb/ft or 12 in2[77.4 cm2 ] in cross-sectional area.

1.2.5 Flats over 6 in. to 8 in., inclusive in width, 0.230 in. and over [over 6 mm in thickness and over 50 mm through 200 mm in width] in thickness and under 40.84 lb/ft [60.78 kg/m] or 12 in.2 [77.4 cm2] in cross-sectional area.

1.2.6 Hot-wrought merchant quality carbon steel bars subject to mechanical property requirements are hot wrought in straight lengths only.

1.3 Some applications may require one or more of the available designations shown under supplementary requirements.

Note 1--Special quality hot-wrought carbon steel bars subject to mechanical property requirements are covered in Specification A675/A675M.

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system are not equivalents, therefore each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.


SDO ASTM: ASTM International
Document Number A663
Publication Date Jan. 1, 2000
Language en - English
Page Count 3
Revision Level 89(2000)
Supercedes
Committee A01.15
Publish Date Document Id Type View
Nov. 1, 2023 A0663_A0663M-23 Revision
Nov. 1, 2017 A0663_A0663M-17 Revision
May 1, 2012 A0663_A0663M-12 Revision
March 1, 2006 A0663_A0663M-89R06 Reaffirmation
Jan. 1, 2000 A0663_A0663M-89R00 Reaffirmation