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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-18001J.
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 the standard. The values given in parentheses are for information only.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B6 Specification for Zinc
B899 Terminology Relating to Non-ferrous Metals and Alloys
B949 Specification for General Requirements for Zinc and Zinc Alloy Products
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E536 Test Methods for Chemical Analysis of Zinc and Zinc Alloys
Military StandardMIL-A-18001Kw/INT.AM Military Specification Anodes Sacrificial Zinc Alloy
ISO StandardsISO3815-2 Zinc and zinc alloys Part 2: Analysis by inductively coupled plasma optical emission spectrometry
ICS Number Code 25.220.01 (Surface treatment and coating in general)
ASTM B418-06, Standard Specification for Cast and Wrought Galvanic Zinc Anodes, ASTM International, West Conshohocken, PA, 2006, www.astm.orgBack to Top