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  • BS 3839:1978

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    SPECIFICATION FOR OXYGEN-FREE HIGH-CONDUCTIVITY COPPER FOR ELECTRONIC TUBES AND SEMICONDUCTOR DEVICES

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  02-08-2013

    Language(s):  English

    Published date:  01-01-1978

    Publisher:  British Standards Institution

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

    Cooperating organizations
    Foreword
    1 Scope
    2 References
    3 General requirements
    4 Chemical composition
    5 Temper
    6 Embrittlement test
    7 Quench test for oxide adherence
    8 Metallographic examination
    Appendix A - Extract from ISO Recommendation
                 R 1190/2-1971 Copper and copper
                 alloys - Code of designation -
                 Part II: Designation of tempers
    Appendix B - Extract from ISO 2624-1973
                 Copper and copper alloys -
                 Estimation of average grain size
    Publications referred to

    Abstract - (Show below) - (Hide below)

    Provides the chemical composition and tests for oxygen-free high-conductivity copper for electronic devices, in the form of bar, rod, tube, sheet, strip, wire and forgings or other wrought forms. Applies to the material to the device manufacturer. An optical grain size test is included. Covers references, temper, embrittlement test, quench test for oxide adherence and metallographic examination.

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    Committee ECL/5
    Development Note Supersedes 76/25821 DC (07/2005) Inactive for the new design. (12/2010)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 1639(1964) : 1964 METHODS FOR BEND TESTING OF METALS
    BS 2875(1969) : 1969 SPECIFICATION FOR COPPER AND COPPER ALLOYS - PLATE
    ISO 2624:1990 Copper and copper alloys Estimation of average grain size
    BS 2874(1969) : AMD 3283 COPPER AND COPPER ALLOY RODS AND SECTIONS (OTHER THAN FORGING STOCK)
    BS 2871(1957) : LATEST COPPER AND COPPER ALLOYS
    BS 2872(1969) : AMD 3282 SPECIFICATION FOR COPPER AND COPPER ALLOYS - FORGING STOCK AND FORGINGS
    BS 2873(1969) : 1969 SPECIFICATION FOR COPPER AND COPPER ALLOYS - WIRE
    BS 1499(1949) : LATEST SAMPLING NON-FERROUS METALS
    ISO 1190-2:1982 Copper and copper alloys — Code of designation — Part 2: Designation of tempers
    BS 1035-40, 1172.74, 1861, 1954(1964) : LATEST RAW COPPER
    BS 2871-2(1972) : 1972 SPECIFICATION FOR COPPER AND COPPER ALLOYS - TUBES - PART 2: TUBES FOR GENERAL PURPOSES
    ISO 4746:1977 Oxygen-free copper Scale adhesion test
    ISO 2626:1973 Copper Hydrogen embrittlement test
    BS 2870(1968) : LATEST ROLLED COPPER AND COPPER ALLOYS: SHEET, STRIP AND FOIL
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