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ASTM A262:15 RLV

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Hinweis: Neuste Ausgabe: ASTM A262:15(2021)

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Zusammenfassung

This specification covers the standard practices for detecting susceptibility to intergranular attack in austenitic stainless steels. These practices include five intergranular corrosion tests, namely: (1) oxalic acid etch test for classification of etch structures of austenitic stainless steels; (2) ferric sulfate-sulfuric acid test, (3) nitric acid test and (4) copper-copper sulfate-sulfuric acid test for detecting susceptibility to intergranular attack in austenitic stainless steels; and (5) copper-copper sulfate-50% sulfuric acid test for detecting susceptibility to intergranular attack in molybdenum-bearing cast austenitic stainless steels. Methods for preparing the test specimens, rapid screening tests, apparatus setup and testing procedures, and calculations and report contents are described for each testing practice. The etch structure types used to classify the specimens are: step structure, dual structure, ditch structure, isolated ferrite, interdendritic ditches, end-grain pitting I, and end-grain pitting II.

Produktspezifikationen

  • Redline von ASTM
  • Ausgabedatum:
  • Edition: 15
  • Dokumenttyp: IS
  • Seiten
  • Herausgeber: ASTM
  • Lieferant: ASTM
  • ICS: 77.140.20

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