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ASTM-G108:2004 Edition

ASTM-G108:2004 Edition

$40.63

G108-94(2004)e1 Standard Test Method for Electrochemical Reactivation (EPR) for Detecting Sensitization of AISI Type 304 and 304L Stainless Steels

Published By Publication Date Number of Pages
ASTM 2004 9
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ASTM G108-94-e1-Reapproved2004

Historical Standard: Standard Test Method for Electrochemical Reactivation (EPR) for Detecting Sensitization of AISI Type 304 and 304L Stainless Steels

ASTM G108

Scope

1.1 This test method covers a laboratory procedure for conducting an electrochemical reactivation (EPR) test on AISI Type 304 and 304L (UNS No. S30400 and S30403, respectively) stainless steels. This test method can provide a nondestructive means of quantifying the degree of sensitization in these steels (1, 2, 3).² This test method has found wide acceptance in studies of the effects of sensitization on intergranular corrosion and intergranular stress corrosion cracking behavior (see Terminology G 15). The EPR technique has been successfully used to evaluate other stainless steels and nickel base alloys (4), but the test conditions and evaluation criteria used were modified in each case from those cited in this test method.

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units 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

carbide precipitation; electrochemical reactivation (EPR) test; electrochemical test; intergranular corrosion; sensitization; stress corrosion cracking

ICS Code

ICS Number Code 77.140.20 (Steels of high quality)

DOI: 10.1520/G0108-94R04E01

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
2 Significance and Use
Apparatus
FIG. 1
FIG. 2
3 Sampling, Test Specimens, and Test Units
FIG. 3
FIG. 4
4 Procedure
FIG. 5
5 Calculation
Report
Precision and Bias
6 TABLE 1
TABLE 2
7 Keywords
X1. SUGGESTED METHOD FOR PREPARING MOUNTED TEST SPECIMENS
X1.1
X1.2
X1.3
TABLE 3
8 X2. ELECTROCHEMICAL POTENTIOKINETIC REACTIVATION DATA RECORD SHEET
X3. CORRELATION OF Pa VALUES TO DEGREE OF SENSITIZATION FOR AISI TYPES-304 AND -304L
X3.1
FIG. X2.1
9 REFERENCES

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