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  • BS 6787(1987) : 1987

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    METHOD FOR DETERMINATION OF FERRITE NUMBER IN AUSTENITIC WELD METAL DEPOSITED BY COVERED CR-NI STEEL ELECTRODES

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-08-2000

    Language(s):  English

    Published date:  01-01-1987

    Publisher:  British Standards Institution

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

    National foreword
    Committees responsible
    Method
    0. Introduction
    1. Scope
    2. Field of application
    3. References
    4. Principle
    5. Calibration
    6. Standard method for manual electrodes
    7. Production welds and other measuring techniques
    8. Other methods
    Annex
    A. Procedures used to prepare secondary standards for
        delta ferrite in austenitic stainless steel weld
        metal
    Tables
    1. Relationship between ferrite number and thickness
        of non-magnetic coating of coating thickness
        standards (specified in 5.1) for calibration of
        instruments for measurement of ferrite content
        through attractive force (specified in 5.3) using
        the standard magnet (specified in 5.2)
    2. Welding parameters and deposit dimensions
    3. Maximum allowable deviation in the periodic FN check
    4. Welding parameters
    5. Chemical compositions of seventh layer of strip
        clad deposits
    6. NBS Standards employed for 'Magne-gage' calibration
    7. Example of the tabular presentation of results on
        the card accompanying each box of standards
    Figures
    1. Relationship between the tear-off forces of the
        standard magnet defined in 5.2 and the coating
        thickness standards defined in 5.1
    2. Weld metal test specimen for ferrite determination
    3. Method of depositing weld metal
    4. Bead deposition and machining sequences
    5. Cutting sequences
    6. Extraction of individual standards
    7. Marking of each ferrite secondary standards
    8. Markings on each standard sample and identification
        of the five measuring points

    Abstract - (Show below) - (Hide below)

    Gives the method and apparatus for the measurement for the delta ferrite content in largely austenitic stainless steel weld metal, and the preparation and measurement of standard pads for manual arc covered electrodes. Covers field of application, references, principle, calibration, standard method for manual electrodes, production welds and other measuring techniques and other methods.

    General Product Information - (Show below) - (Hide below)

    Committee WEE/39
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    92/82315 DC : DRAFT OCT 1992 ISO/DIS 7413 - HEXAGON NUTS FOR STRUCTURAL BOLTING, STYLE 1, HOT DIP GALVANIZED (OVERSIZE TAPPED) - PRODUCT GRADES A AND B - PROPERTY CLASSES 5, 6, AND 8
    92/82325 DC : DRAFT OCT 1992 ISO/DIS 4775 - HEXAGON NUTS FOR HIGH-STRENGTH STRUCTURAL BOLTING WITH LARGE WIDTH ACROSS FLATS - PRODUCT GRADE B - PROPERTY CLASSES 8 AND 10
    92/82317 DC : DRAFT OCT 1992 ISO/DIS 7415 - PLAIN WASHERS FOR HIGH-STRENGTH STRUCTURAL BOLTING, HARDENED AND TEMPERED
    92/82318 DC : DRAFT OCT 1992 ISO/DIS 7416 - PLAIN WASHERS, CHAMFERED, HARDENED AND TEMPERED FOR HIGH-STRENGTH STRUCTURAL BOLTING

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

    ISO 683-13:1974 Heat-treated steels, alloy steels and free-cutting steels Part 13: Wrought stainless steels
    ISO 525:2013 Bonded abrasive products General requirements
    ISO 4954:1993 Steels for cold heading and cold extruding
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