ASTM-G31:1999 Edition

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G31-72(1999) Standard Practice for Laboratory Immersion Corrosion Testing of Metals

Published By	Publication Date	Number of Pages
ASTM	1999	8

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Category: ASTM

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Description

ASTM G31-72-Reapproved1999

Historical Standard: Standard Practice for Laboratory Immersion Corrosion Testing of Metals

ASTM G31

Scope

1.1 This practice describes accepted procedures for and factors that influence laboratory immersion corrosion tests, particularly mass loss tests. These factors include specimen preparation, apparatus, test conditions, methods of cleaning specimens, evaluation of results, and calculation and reporting of corrosion rates. This practice also emphasizes the importance of recording all pertinent data and provides a checklist for reporting test data. Other ASTM procedures for laboratory corrosion tests are tabulated in the Appendix.

Note 1-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. In many such cases, corrosion rates are established by mass gain rather than mass loss.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.

Keywords

Cleaning; Corrosion-metals/alloys; Immersion-corrosion testing; Laboratory; Mass loss-corrosion; Specimen preparation (for testing)-corrosion testing; laboratory immersion corrosion testing of metals, practice

ICS Code

ICS Number Code 77.060 (Corrosion of metals)

DOI: 10.1520/G0031-72R99

Additional information