Detecting Detrimental Phases in Lean Duplex Ferritic Stainless Steels ASTM A1084

Detecting Detrimental Phases in Lean Duplex Ferritic Stainless Steels ASTM A1084

The goal of test method ASTM A1084 is to determine the existence of harmful chromium-containing phases in selected lean duplex stainless steels that substantially impact toughness or corrosion resistance. The values expressed in SI units should be considered standard.


    Each Method is used for detecting the presence of possibly deleterious phases in Lean Duplex Stainless Steels, Charpy V-notch Impact Test for assessing the existence of harmful steps in Lean Duplex Stainless Steels. The presence of harmful phases in Lean Duplex Stainless Steels can be determined using the Inhibited Ferric Chloride Corrosion Test. These test methods are essential to reveal whether there is a presence or absence of a detrimental phase to the point where the material’s typical toughness and corrosion resistance are severely impaired.

    Test Procedure:

    Test methodSection
    Test method A6.1,6.2
    Test method B7.1-12.4
    Test method C13.1-19.5


    Based on the recorded corrosion rate in comparison to the established acceptance criteria,the test result is reported as passed or failed.


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