ASTM B843-18e1

Standard Specification for Magnesium Alloy Anodes for Cathodic Protection (Includes all amendments and changes 6/8/2018).

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STANDARD published on 1.5.2018

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The information about the standard:

Designation standards: ASTM B843-18e1
Publication date standards: 1.5.2018
SKU: NS-849452
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Corrosion of metals

Annotation of standard text ASTM B843-18e1 :

This specification covers the standard requirements for magnesium alloy anodes in the form of cast and extruded shapes for use in cathodic protection. Materials shall adhere to specified chemical composition requirements, the samples for analysis of which shall be taken either from the molten metal when the cast anode or extrusion ingot is poured, or from the finished anode. Anodes shall have a clean surface and be commercially free of dirt, slag, or other foreign material.

Keywords:

cathodic protection, magnesium anodes,, ICS Number Code 77.060 (Corrosion of metals)

Additional information

Significance and Use

3.1 This specification is prescriptive and not performance in nature.

1. Scope

1.1 This specification covers magnesium alloy anodes in the form of cast and extruded shapes.

1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

B951-11(2018)	Standard Practice for Codification of Unalloyed Magnesium and Magnesium-Alloys, Cast and Wrought
B953-21	Standard Practice for Sampling Magnesium and Magnesium Alloys for Spectrochemical Analysis
B954-23	Standard Test Method for Analysis of Magnesium and Magnesium Alloys by Atomic Emission Spectrometry
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E88-11(2017)	Standard Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition
G97-18(2022)	Standard Test Method for Laboratory Evaluation of Magnesium Sacrificial Anode Test Specimens for Underground Applications
E55-23	Standard Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition

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