ASTM G1-03

Standard Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens

SIGNIFICANCE AND USE
The procedures given are designed to remove corrosion products without significant removal of base metal. This allows an accurate determination of the mass loss of the metal or alloy that occurred during exposure to the corrosive environment.
These procedures, in some cases, may apply to metal coatings. However, possible effects from the substrate must be considered.
SCOPE
1.1 This practice covers suggested procedures for preparing bare, solid metal specimens for tests, for removing corrosion products after the test has been completed, and for evaluating the corrosion damage that has occurred. Emphasis is placed on procedures related to the evaluation of corrosion by mass loss and pitting measurements. (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 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. For specific precautionary statements, see 1 and 7.2.

General Information

• Status: Historical
• Publication Date: 30-Sep-2003
• ICS: 77.060 - Corrosion of metals
• Technical Committee: G01 - Corrosion of Metals
• Drafting Committee: G01.05 - Laboratory Corrosion Tests

Relations

• Replaces: ASTM G1-90(1999)e1 - Standard Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens
• Effective Date: 01-Oct-2003
• Replaced By: ASTM G1-03(2011) - Standard Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens
• Effective Date: 01-Dec-2011
• Referred By: ASTM G58-85(2015) - Standard Practice for Preparation of Stress-Corrosion Test Specimens for Weldments
• Effective Date: 01-Oct-2003
• Referred By: ASTM D4778-15 - Standard Test Method for Determination of Corrosion and Fouling Tendency of Cooling Water Under Heat Transfer Conditions
• Effective Date: 01-Oct-2003
• Referred By: ASTM G92-20 - Standard Practice for Characterization of Atmospheric Test Sites
• Effective Date: 01-Oct-2003
• Referred By: ASTM G170-06(2020)e1 - Standard Guide for Evaluating and Qualifying Oilfield and Refinery Corrosion Inhibitors in the Laboratory
• Effective Date: 01-Oct-2003
• Referred By: ASTM G44-21 - Standard Practice for Exposure of Metals and Alloys by Alternate Immersion in Neutral 3.5 % Sodium Chloride Solution
• Effective Date: 01-Oct-2003
• Referred By: ASTM G73-10(2021) - Standard Test Method for Liquid Impingement Erosion Using Rotating Apparatus
• Effective Date: 01-Oct-2003
• Referred By: ASTM G36-94(2018) - Standard Practice for Evaluating Stress-Corrosion-Cracking Resistance of Metals and Alloys in a Boiling Magnesium Chloride Solution
• Effective Date: 01-Oct-2003
• Referred By: ASTM F2832-11(2021) - Standard Guide for Accelerated Corrosion Testing for Mechanical Fasteners
• Effective Date: 01-Oct-2003
• Referred By: ASTM F2111-22 - Standard Practice for Measuring Intergranular Attack or End Grain Pitting on Metals Caused by Aircraft Chemical Processes
• Effective Date: 01-Oct-2003
• Referred By: ASTM G35-23 - Standard Practice for Determining the Susceptibility of Stainless Steels and Related Nickel-Chromium-Iron Alloys to Stress-Corrosion Cracking in Polythionic Acids
• Effective Date: 01-Oct-2003
• Referred By: ASTM G87-02(2023) - Standard Practice for Conducting Moist SO<inf>2</inf> Tests
• Effective Date: 01-Oct-2003
• Referred By: ASTM C764-19 - Standard Specification for Mineral Fiber Loose-Fill Thermal Insulation
• Effective Date: 01-Oct-2003
• Referred By: ASTM G161-00(2018) - Standard Guide for Corrosion-Related Failure Analysis
• Effective Date: 01-Oct-2003

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:G1–03
Standard Practice for
Preparing, Cleaning, and Evaluating Corrosion Test
1
Specimens
This standard is issued under the fixed designation G1; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope G31 Practice for Laboratory Immersion Corrosion Testing
of Metals
1.1 This practice covers suggested procedures for preparing
G33 Practice for Recording Data from Atmospheric Corro-
bare, solid metal specimens for tests, for removing corrosion
sion Tests of Metallic-Coated Steel Specimens
products after the test has been completed, and for evaluating
G46 Guide for Examination and Evaluation of Pitting
the corrosion damage that has occurred. Emphasis is placed on
Corrosion
procedures related to the evaluation of corrosion by mass loss
G50 Practice for Conducting Atmospheric Corrosion Tests
and pitting measurements. (Warning—In many cases the
on Metals
corrosion product on the reactive metals titanium and zirco-
G78 Guide for Crevice Corrosion Testing of Iron-Base and
nium is a hard and tightly bonded oxide that defies removal by
Nickel-Base Stainless Alloys in Seawater and Other
chemical or ordinary mechanical means. In many such cases,
Chloride-Containing Aqueous Environments
corrosion rates are established by mass gain rather than mass
loss.)
3. Terminology
1.2 This standard does not purport to address all of the
3.1 See Terminology G15 for terms used in this practice.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4. Significance and Use
priate safety and health practices and determine the applica-
4.1 The procedures given are designed to remove corrosion
bility of regulatory limitations prior to use. For specific
productswithoutsignificantremovalofbasemetal.Thisallows
precautionary statements, see 1 and 7.2.
anaccuratedeterminationofthemasslossofthemetaloralloy
that occurred during exposure to the corrosive environment.
2. Referenced Documents
2 4.2 These procedures, in some cases, may apply to metal
2.1 ASTM Standards:
coatings. However, possible effects from the substrate must be
A262 Practices for Detecting Susceptibility to Intergranular
considered.
Attack in Austenitic Stainless Steels
D1193 Specification for Reagent Water
5. Reagents and Materials
D1384 Test Method for Corrosion Test for Engine Coolants
5.1 Purity of Reagents—Reagent grade chemicals shall be
in Glassware
used in all tests. Unless otherwise indicated, it is intended that
D2776 Test Methods for Corrosivity of Water in the Ab-
all reagents conform to the specifications of the Committee on
sence of Heat Transfer (Electrical Methods)
Analytical Reagents of the American Chemical Society where
G15 Terminology Relating to Corrosion and Corrosion
3
such specifications are available. Other grades may be used,
Testing
provided it is first ascertained that the reagent is of sufficiently
G16 Guide forApplying Statistics toAnalysis of Corrosion
high purity to permit its use without lessening the accuracy of
Data
the determination.
5.2 Purity of Water—Unless otherwise indicated, references
1
This practice is under the jurisdiction of ASTM Committee G01 on Corrosion to water shall be understood to mean reagent water as defined
of Metals and is the direct responsibility of Subcommittee G01.05 on Laboratory
by Type IV of Specification D1193.
Corrosion Tests.
Current edition approved October 1, 2003. Published October 2003. Originally
´1 3
approvedin1967.Lastpreviouseditionapprovedin1999asG1 – 90(1999) .DOI: Reagent Chemicals, American Chemical Society Specifications, American
10.1520/G0001-03. Chemical Society, Washington, DC. For suggestions on the testing of reagents not
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or listed by the American Chemical Society, see Analar Standards for Laboratory
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
Standards volume information, refer to the standard’s Document Summary page on and National Formulary, U.S. Pharmacopeial Convention, Inc. (USPC), Rockville,
the ASTM website. MD.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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G1–03
6. Methods for Preparing Specimens for Test D1384).Theedgesaswellasthefacesofthespecimensshould
be abraded to remove burrs.
6.1 For laboratory corrosion tests that simulate exposure to
6.3.4 Rinse thoroughly, hot air dry, and store in desiccator.
...