文档介绍：Designation: G 48 – 03
Standard Test Methods for
Pitting and Crevice Corrosion Resistance of Stainless
Steels and Related Alloys by Use of Ferric Chloride
Solution1
This standard is issued under the fixed designation G 48; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
These test methods cover procedures for the determina- bility of regulatory limitations prior to use.
tion of the resistance of stainless steels and related alloys to 2. Referenced Documents
pitting and crevice corrosion (see Terminology G 15) when
exposed to oxidizing chloride environments. Six procedures ASTM Standards:
are described and identified as Methods A, B, C, D, E, and F. A 262 Practices for Detecting Susceptibility to Intergranu-
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Method A—Ferric chloride pitting test. lar Attack in Austenitic Stainless Steels
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Method B—Ferric chloride crevice test. D 1193 Specification for Reagent Water
Method C—Critical pitting temperature test for E 691 Practice for Conducting an Interlaboratory Study to
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nickel-base and chromium-bearing alloys. Determine the Precision of a Test Method
Method D—Critical crevice temperature test for E 1338 Guide for the Identification of Metals and Alloys in
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nickel-base and chromium-bearing alloys. Computerized Material Property Databases
Method E—Critical pitting temperature test for stain- G 1 Practice for Preparing, Cleaning, and Evaluating Cor-
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less steels. rosion Test Specimens
Method F—Critical crevice temperature test for stain- G 15 Terminology Relating to Corrosion and Corrosion
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less steels. Testing
Method A is designed to determi