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ASTM A767/A767M-05

Historical Revision

Standard Specification for Zinc-Coated (Galvanized) Steel Bars for Concrete Reinforcement

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1.1 This specification covers steel reinforcing bars with protective zinc coatings applied by dipping the properly prepared reinforcing bars into a molten bath of zinc.

1.2 This specification is applicable for orders in either inch-pound units (as Specification A767) or SI units (as Specification A767M).

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


This specification covers steel reinforcing bars with protective zinc coatings applied by dipping the properly prepared reinforcing bars into a molten bath of zinc. Galvanization shall be used to prepare reinforcing bars. The galvanizer shall be permitted to subject the newly coated steel reinforcing bars to air or steam wiping to remove excess zinc from the bars. The mass of zinc coating shall conform to specified requirements. The mass of the coating shall be determined by magnetic thickness gage measurements. Stripping method, weighing before and after galvanizing, and microscopy method shall be used to referee the results obtained by magnetic thickness measurements. A retest shall be provided if the average zinc coating mass fails to meet the requirements. The galvanized coating shall be chromate treated.


SDO ASTM: ASTM International
Document Number A767
Publication Date March 1, 2005
Language en - English
Page Count 4
Revision Level 05
Supercedes
Committee A01.05
Publish Date Document Id Type View
Oct. 15, 2024 A0767_A0767M-24 Revision
May 1, 2019 A0767_A0767M-19 Revision
Sept. 1, 2016 A0767_A0767M-16 Revision
July 1, 2009 A0767_A0767M-09 Revision
March 1, 2005 A0767_A0767M-05 Revision
Sept. 10, 2000 A0767_A0767M-00B Revision
Nov. 15, 2015 A0767_A0767M-09R15 Reaffirmation