ASTM-G31:2004 Edition

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G31-72(2004) Standard Practice for Laboratory Immersion Corrosion Testing of Metals

Published By	Publication Date	Number of Pages
ASTM	2004	8

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Categories: 71.100.80 - Chemicals for purification of water, ASTM

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Description

ASTM G31-72-Reapproved2004

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. (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. 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.

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

accelerated; immersion; laboratory; mass loss; metals; pitting

ICS Code

ICS Number Code 71.100.80 (Chemicals for purification of water)

DOI: 10.1520/G0031-72R04

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Significance and Use Interferences
2	Apparatus
3	Sampling Test Specimen FIG. 1
4	Test Conditions
6	Methods of Cleaning Specimens after Test Interpretation of Results TABLE 1
7	Calculating Corrosion Rates Report
8	Keywords REFERENCES

Additional information

Standard Title	G31-72(2004) Standard Practice for Laboratory Immersion Corrosion Testing of Metals
Published Code	ASTM
Publication Date	2004
Pages Count	8
ICS Codes	71.100.80 - Chemicals for purification of water