ASTM G31-72 PDF

1 May Buy ASTM G() Standard Practice for Laboratory Immersion Corrosion Testing of Metals from SAI Global. ASTM G, “Conducting Corrosion Coupon Tests in Plant. Equipment.” *. 4. ASTM G 5. ASTM G, “Laboratory Immersion Corrosion Testing of. Metals. Designation: G 31 – 72 (Reapproved ). Standard Practice 1 This practice is under the jurisdiction of ASTM Committee G-1 on Corrosion of Metalsand is.

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Corrosion testing by its very nature precludes complete standardization.

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Warning- In many cases the corrosion product on the reactive metals titanium and zirconium is a hard and tightly bonded oxide that defies removal by chemical or ordinary mechanical means. Historical Axtm s – view previous versions of standard. Link to Active This link will always route to the current Active version of the standard.

This standard, rather than a standardized procedure, is presented as a guide so that some of the pitfalls of such testing may be avoided. Link to Active This link will always route to the current Active version of the standard. It should be used as a reference ast ensure that the test will allow generation of data relevant to the application with the minimum of interferences.

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The values given in parentheses are for information only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ASTM G31 – 72() Standard Practice for Laboratory Immersion Corrosion Testing of Metals

These factors include specimen preparation, apparatus, test conditions, methods of cleaning specimens, evaluation of results, and calculation and reporting of corrosion rates. In many such cases, corrosion rates are f31-72 by mass gain rather than mass loss.

It is impractical to propose an inflexible standard laboratory corrosion testing procedure for general use, except for material qualification tests where standardization is required. These factors include apparatus, sampling, test specimen, test conditions test solution composition, temperature, gas sparging, fluid motion, solution volume, method of supporting test specimens, duration of testmethods of cleaning test specimens, interpretation of results, and calculation of corrosion rates.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not qstm as part of the standard. The values given in parentheses are for information only.

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f31-72 This guide also emphasizes the importance of recording all pertinent data and provides a checklist for reporting test data. This practice also emphasizes the importance of recording all pertinent data and provides a checklist for reporting test data.

Active view current version of standard. 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. One purpose for this guide is to promote better correlation of results in the future and the reduction of conflicting reports through a more detailed recording of meaningful factors and conditions.