ASTM A1084 Detecting Detrimental Phases in Lean Duplex Ferritic Stainless Steels

ASTM A1084 Detecting Detrimental Phases in Lean Duplex Ferritic Stainless Steels

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.

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    Scope:

    There are three test methods in ASTM A1084 used for detecting the presence of detrimental phases in Lean Duplex Stainless Steels – The Etch method, the Charpy V-notch Impact Test, and the Inhibited Ferric Chloride Corrosion Test. These test methods are essential to reveal the 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 methods in ASTM A1084Section
    Test method A6.1,6.2
    Test method B7.1-12.4
    Test method C13.1-19.5

    Result

    Based on the recorded corrosion rate in comparison to the established acceptance criteria, the ASTM A1084 test result is reported as passed or failed.

    Conclusion:

    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.

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