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  • AWS D14.7/D14.7M : 2005

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    RECOMMENDED PRACTICES FOR SURFACING AND RECONDITIONING OF INDUSTRIAL MILL ROLLS

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    Published date:  01-01-2005

    Publisher:  American Welding Society

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

    Personnel
    Foreword
    Table of Contents
    List of Tables
    List of Figures
    1. Scope
    2. Normative References
        2.1 AWS References
        2.2 ASTM References
    3. Definitions
    4. Base Materials for Rolls, Arbors, Sleeves, and
        Fabricated Journals
        4.1 Overview
        4.2 Chemical Composition
        4.3 Weldability
        4.4 Mechanical Properties
        4.5 Thermal Processing
    5. Surface Preparation
        5.1 General
        5.2 Stress Relieving Prior to Processing
        5.3 Surface Condition
        5.4 Methods of Cleaning
        5.5 Inspection after Cleaning
        5.6 Premachining for Welding
        5.7 Inspection after Machining
        5.8 Documentation and Reporting
    6. Welding Consumables
        6.1 Overview
        6.2 Flux Types
        6.3 Wire Electrodes
    7. Properties of Weld Deposits
        7.1 General
        7.2 Properties and Composition of Buildup Materials
        7.3 Properties and Composition of Overlay Materials
    8. Welding Techniques and Process Control
        8.1 Overview
        8.2 Preheat and Interpass Temperature
        8.3 Body Run-Off Rings
        8.4 Welding Parameters
        8.5 Considerations Specific to Journal Repair,
             Buildup, or Overlay
        8.6 Postweld Heat Treatment
    9. Procedure Qualification and Tests
        9.1 Procedure Qualifications (WPS)
        9.2 Procedure Qualifications (PQR)
        9.3 Type of Tests Required
    10. Repair and Correction
        10.1 General
        10.2 Examples of Nonconformance
        10.3 Purchaser's and Manufacturer's Obligations
    11. Finish Machining and Final Inspection
        11.1 Setup
        11.2 Rough Machining
        11.3 In-Process Inspection
        11.4 Final Machining
        11.5 Final Inspection
        11.6 Nonconformance
        11.7 Documentation and Reporting
    12. Quality Assurance
        12.1 General
        12.2 Quality System Outline
    Annex A (Informative) - Flux and Wire Consumables
    Annex B (Informative) - Guidelines for Preparation of Technical
                            Inquiries for AWS Technical Committees
    Annex C (Informative) - Recommended Forms
    Annex D (Informative) - Bibliography
    List of AWS Documents on Machinery and Equipment

    Abstract - (Show below) - (Hide below)

    Provides guidance on surfacing, repair, and reconditioning of industrial mill rolls in the heavy metals, paper, plastic, or lumber industries.

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

    Document Type Standard
    Publisher American Welding Society
    Status Current

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

    AWS A2.4 : 2012 STANDARD SYMBOLS FOR WELDING, BRAZING, AND NONDESTRUCTIVE EXAMINATION
    ASTM G 77 : 2017 : REDLINE Standard Test Method for Ranking Resistance of Materials to Sliding Wear Using Block-on-Ring Wear Test
    AWS A3.0 : 0 STANDARD WELDING TERMS AND DEFINITIONS - INCLUDING TERMS FOR ADHESIVE BONDING, BRAZING, SOLDERING, THERMAL CUTTING, AND THERMAL SPRAYING
    ASTM G 83 : 1996 Standard Test Method for Wear Testing with a Crossed-Cylinder Apparatus (Withdrawn 2005)
    ANSI Z49.1 : 2012 SAFETY IN WELDING, CUTTING, AND ALLIED PROCESSES
    AWS A5.17 : 1989 SPECIFICATION FOR CARBON STEEL ELECTRODES AND FLUXES FOR SUBMERGED ARC WELDING
    ASTM E 709 : 2015 : REDLINE Standard Guide for Magnetic Particle Testing
    AWS A5.23 : 1990 SPECIFICATION FOR LOW ALLOY STEEL ELECTRODES AND FLUXES FOR SUBMERGED ARC WELDING
    AWS B4.0 : 2016 STANDARD METHODS FOR MECHANICAL TESTING OF WELDS
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