Description of ASTM-G28 2008
ASTM G28 - 02(2008)
Standard Test Methods for Detecting Susceptibility to Intergranular Corrosion in Wrought, Nickel-Rich, Chromium-Bearing Alloys
Active Standard ASTM G28 | Developed by Subcommittee: G01.05
Book of Standards Volume: 03.02
Historical (view previous versions of standard)
Significance and Use
The boiling ferric sulfate-sulfuric acid test may be applied to the following alloys in the wrought condition:
While the ferric sulfate-sulfuric acid test does detect susceptibility to inter- granular corrosion in Alloy N08825, the boiling 65 % nitric acid test, Practices A 262
This test method may be used to evaluate as-received material and to evaluate the effects of subsequent heat treatments. In the case of nickel-rich, chromium-bearing alloys, the test method may be applied to wrought and weldments of products. The test method is not applicable to cast products.
1.1 These test methods cover two tests as follows:
1.1.1 Method A, Ferric Sulfate-Sulfuric Acid Test (Sections 3-10, inclusive)
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