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    AS 2136-1977

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    Method for detecting the susceptibility of copper and its alloys to stress corrosion cracking using the mercurous nitrate test (Reconfirmed 2018)

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  12-30-1977

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS 2136-1977 METHOD FOR DETECTING THE SUSCEPTIBILITY OF COPPER AND ITS ALLOYS TO STRESS CORROSION CRACKING USING THE MERCURO
    4 - PREFACE
    5 - 1 SCOPE.
    5 - 2 DEFINITIONS.
    5 - 2.1 Stress corrosion cracking
    5 - 2.2 Applied stress
    5 - 2.3 Residual stress
    5 - 3 TEST PIECES AND THEIR PREPARATION.
    5 - 3.1 General.
    6 - 3.2 Preparation.
    6 - 4 TEST REAGENT.
    6 - 5 TEST PROCEDURE.
    7 - 6 TEST REPORT.

    Abstract - (Show below) - (Hide below)

    Specifies requirements for the testing reagent and describes two methods of preparation of the reagent. Preparation of test pieces, procedures for carrying out the test and details for the preparation of a test report are given.

    Scope - (Show below) - (Hide below)

    This standard describes a procedure for detecting the susceptibility of copper and copper base alloy products to stress corrosion cracking by immersion of test pieces in an acidified solution of mercurous nitrate.NOTES:1. The method is not recommended for the testing of assemblies and partial assemblies but such tests are not precluded by agreement.2. Elapsed time following removal of the test piece from the test solution and subsequent examination should be specified in the product specification.3. Chemical reagents specified in this standard are highly toxic and should be handled with care. The use of rubber gloves is advisable to prevent contact with the skin.4. Mercury and mercury vapour are definite health hazards; equipment for their detection is recommended.5. Volatilization of mercury should only be carried out in a well-ventilated exhaust booth.

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    Committee MT/8
    Document Type Standard
    Product Note Reconfirmed 1986 Reconfirmed 14/09/2018.
    This standard has been reconfirmed in Australia in 2018 and remains current in New Zealand. Reconfirmation Notice 14/09/2018
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    Reconfirmed 2018.
    First published 1977

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