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ASTM A675/A675M-14

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Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality, Mechanical Properties

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1.1 This specification2 covers hot-wrought special quality carbon steel bars and bar size shapes produced to mechanical property requirements and intended for general constructional applications.

1.2 The bars are available in nine strength grades designated 45, 50, 55, 60, 65, 70, 75, 80, and 90 [310, 345, 380, 415, 450, 485, 515, 550, and 620] corresponding to the minimum ultimate tensile strength in ksi [MPa]. The chemical composition is selected by the manufacturer to develop the required mechanical properties.

1.3 Hot-wrought special quality carbon steel bars subject to mechanical property requirements are hot wrought in straight lengths only. Sections and sizes available are covered in Specification A29/A29M.

1.4 Some applications may require one or more of the available designations shown under Supplementary Requirements.

Note 1Merchant-quality hot-wrought carbon steel bars subject to mechanical property requirements are covered in Specification A663/A663M.

1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.


This guide covers standard specification for hot-wrought special quality carbon steel bars and bar size shapes produced to mechanical property requirements and intended for general constructional applications. Heat analysis shall be performed wherein the material shall conform to the required chemical composition for phosphorus, sulfur, copper, and lead. The steel shall meet the required tensile properties such as tensile strength, yield strength, and elongation. The test specimen shall undergo mechanical tests such as tension test and bend test.


SDO ASTM: ASTM International
Document Number A675
Publication Date May 1, 2014
Language en - English
Page Count 4
Revision Level 14
Supercedes
Committee A01.15
Publish Date Document Id Type View
May 1, 2014 A0675_A0675M-14 Revision
Oct. 10, 2003 A0675_A0675M-03E01 Revision
Oct. 10, 2003 A0675_A0675M-03 Revision
Sept. 1, 2019 A0675_A0675M-14R19 Reaffirmation
April 1, 2009 A0675_A0675M-03R09 Reaffirmation
Jan. 1, 2000 A0675_A0675M-90AR00 Reaffirmation