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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). 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 (), 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 Number Code 77.140.20 (Steels of high quality)

To find similar documents by ASTM Volume:

03.02 (Corrosion of Metals; Wear and Erosion)

To find similar documents by classification:

77.140.20 (Stainless steels Including alloyed steels, corrosion-resistant steels, heat-resisting steels, etc.)

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