The practice behind each one of these methods varies from one specification to the next, but the most notable differences are that of the magnetic and electronic thickness gauge measurements. A, on the other hand, only requires the average coating thickness measurement meet the minimum coating thickness required by A Table 1, with the average of one specimen being one coating grade below the requirement in Table 1 as listed in Table 2. Sampling Previously, the sampling procedure laid out in G for testing the coating thickness had some very general and relaxed guidelines in comparison to the sampling procedure provided in A Paragraph 7. ASTM A also holds a few more requirements regarding the finish of the coating. However, G gives its own test procedures for strain-age embrittlement bend or impact test while A references a complete guide of ASTM A which details a bend test. However, the two specifications contain a minor differences regarding the maximum area that can be repaired after hot-dip galvanizing.

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The practice behind each one of these methods varies from one specification to the next, but the most notable differences are that of the magnetic and electronic thickness gauge measurements. A, on the other hand, only requires the average coating thickness measurement meet the minimum coating thickness required by A Table 1, with the average of one specimen being one coating grade below the requirement in Table 1 as listed in Table 2.
Sampling Previously, the sampling procedure laid out in G for testing the coating thickness had some very general and relaxed guidelines in comparison to the sampling procedure provided in A Paragraph 7. ASTM A also holds a few more requirements regarding the finish of the coating.
However, G gives its own test procedures for strain-age embrittlement bend or impact test while A references a complete guide of ASTM A which details a bend test. However, the two specifications contain a minor differences regarding the maximum area that can be repaired after hot-dip galvanizing.
However, G 3. ASTM A also declares, in addition to the 0. Another difference is related to repairs performed in the field, such as touch up after welding at the job site. ASTM A 6. However, the information presented here may adequately describe some of the major differences between the two.
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Hot dip galvanizing of irregularly shaped articles Preface This is the fourth edition of CSA G, Hot dip galvanizing of irregularly shaped articles. It supersedes the previous editions published in , , and When a general revision of the series was initiated, it was decided to prepare three new Standards, or series of Standards, covering wire, sheets, and irregularly shaped articles, respectively. Three new technical committees were then organized to deal with each of the three types of articles. This Standard defines the requirements for hot dip galvanizing of irregularly shaped articles intended or primarily for use in electrical and communication systems and the methods of testing for compliance. Annex E describes other processes of zinc applications for corrosion resistance. Scope 1.
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