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ASTM B418-09

Historical Revision

Standard Specification for Cast and Wrought Galvanic Zinc Anodes

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1.1 This specification covers cast and wrought galvanic zinc anodes used for the cathodic protection of more noble metals and alloys in sea water, brackish water, other saline electrolytes, or other corrosive environments.

1.2 Type I anodes are most commonly used for such applications. The Type I anode composition in this specification meets the chemical composition requirements of MIL-A-18001K.

1.3 Zinc anodes conforming to this specification may be used in other waters, electrolytes, backfills, and soils where experience has shown that the specified composition is efficient and reliable. Type II anodes are most commonly used for such applications.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

This specification covers cast and wrought galvanic zin anodes used for the cathodic protection of more noble metals and alloys in sea water, brackish water, other saline electrolytes, or other corrosive environments. The anodes shall undergo chemical analysis and spectrochemical analysis and shall conform to the required chemical compositions of aluminum, cadmium, iron, lead, copper, and zinc.


SDO ASTM: ASTM International
Document Number B418
Publication Date Oct. 1, 2009
Language en - English
Page Count 3
Revision Level 09
Supercedes
Committee B02.04
Publish Date Document Id Type View
Oct. 1, 2016 B0418-16A Revision
May 1, 2016 B0418-16 Revision
May 1, 2012 B0418-12 Revision
Oct. 1, 2009 B0418-09 Revision
Nov. 1, 2008 B0418-08 Revision
Dec. 1, 2006 B0418-06 Revision
Nov. 10, 2001 B0418-95AR00E01 Revision
Nov. 10, 2001 B0418-01 Revision
April 1, 2021 B0418-16AR21 Reaffirmation