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  • 8/10/2019 Index for Welding Inspector

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    AQIS

    ASHA QUALITY & INDUSTRIAL SERVICES

    Gulmohar Apt., Sec-16, Chikhali Pradhikaran, Chinchwad, Pune 412114

    INDEX FOR WELD ING INSPECTOR

    TOPICSSLIDES

    SHOWSKETCK PRACTICAL

    Duties and Responsibili ties Section 1

    Main Responsibilities,Personal Attributes,Personal Attributes,Standard for

    Visual Inspection,Welding Inspection,Welding Inspectors Equipment,WeldingInspectors Gauges,Typical Duties of a Welding Inspector, and Summary of

    Duties.

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    Welding Terminology & Defini tions Section 2Joint Terminology,Butt Preparations Sizes,Weld Zone Terminology,Weld Zone

    Terminology, Heat Affected Zone (HAZ),Joint Preparation Terminology 2.7,Single Sided Butt Preparations Double Sided Butt Preparations,Fillet Weld

    Features,Fillet Weld Throat Thickness,Fillet Weld Sizes,Features to Consider,Fillet Weld Sizes,Fillet Features to Consider,Welding Positions,Welding position

    designation,Plate/Fillet Weld Positions,Travel Speed Measurement.

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    Welding Imperfections Section 3Welding Imperfections, Welding imperfections classification

    (crack,Lamellar Tearing,Gas Cavities,Crater Pipe,Solid Inclusions, Lack of

    Fusion, Lack of Fusion, Weld Root Imperfections, Cap Undercut, Undercut,

    surface profile, overlap ) evaluation , location, Causes, precaution, sat-up

    irregularities, Mechanical Damage.

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    Destructive Testing Section 4Quantitative and Qualitative Tests, mmechanical Test Samples, ddestructive

    Testing,Definitions ( Malleability, Ductility, Toughness, Hardness, Tensile

    Strength ) Transverse Joint Tensile Test, Tensile Test, UTS Tensile test,Charpy V-Notch Impact Test, Comparison Charpy Impact Test Results,

    Charpy V-notch impact test specimen, Charpy V-Notch Impact Test, Hardness

    Testing,Vickers Hardness Test, Brinell Hardness Test, Rockwell HardnessTest, Fatigue Fracture, Bend Tests, Nick-Break Test, Summary of Mechanical

    Testing.

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    WPS W elder Quali fications Section 5Welding Procedure Qualification 5.1,Producing a welding procedure involves,

    Example codes, welding variables, WELDING ESSENTIAL VARIABLES,Components of a welding procedure, WPS Format, Welder Qualification,

    essential & Non essential Variables for welder qualification, WPQR.

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    Materials Inspection Section 6

    Items consider during Material Inspection (pipe, plate, parent material.AVALIB

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    Codes & Standards Section 7

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    AQIS

    ASHA QUALITY & INDUSTRIAL SERVICES

    Gulmohar Apt., Sec-16, Chikhali Pradhikaran, Chinchwad, Pune 412114

    Welding Symbols Section 8Advantages & Disadvantages of symbolic representation,

    Convention of dimensions, Joints in drawings may be indicated,

    Convention of the elementary symbols, Convention ofsupplementary symbols, Complimentary Symbols, Numerical

    Values for Welding Processes, AWS Welding Symbols, AWS A

    2.4 rules , Fillet weld dimensions according AWS A 2.4,

    Intermittent fillet welds.

    AVALIBEL AVALIBELAS ON YOUR

    REQUIST

    I ntro T o W elding Processes Section 9Pressure welding, Fusion welding, Welding Process Comparison,

    Constant Current Power Source, ARC CHARACTERISTICS,

    Monitoring Heat Input.

    AVALIBEL AVALIBELAS ON YOUR

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    MMA W elding Section 10, T IG W elding Section 11, M IG/M AG W elding Section

    12, Submerged Arc, Welding Section 13

    MMA - Principle of operation, Main features, Welder controls,

    Manual Metal Arc Basic Equipment, MMA Welding Plant, MMAWelding Variables, MMA Welding Checks, Constant Current

    Power Source, MMA welding parameters, MMA welding

    parameters, MMA Welding Consumables, MMA welding typical

    defects.

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    Welding Consumables Section 14 for

    (MMA , TIG , M IG/MAG , Arc W elding)BS EN 499 MMA Covered Electrodes, Aadvantages,

    Disadvantages, TYPES OF ELECTRODES (for C, C-Mn Steels),

    Electrode efficiency, Covered electrode treatment.

    AVALIBEL AVALIBELAS ON YOUR

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    Non D estructive Testing Section 15Four basic NDT methods (RT), (UT), (MT), (PT), The principles,

    Equipments, Techniques, PENETRATING POWER,Advantages, Disadvantages, selection of NDT methods, cost, side

    effects.

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    Weld Repairs Section 16Production repairs, In service repairs, Defect Excavation, Arc-air

    gouging features, Weld repair related problems. AVALIBEL AVALIBEL

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    Residual Stress & D istortion Section 17Residual stresses are undesirable because, Normal Stress, Shear

    Stress, Hoop Stress, Types of distortion, Angular distortion,linear distortion, Factors affecting distortion, Distortion

    prevention, Distortion corrective techniques.

    AVALIBEL AVALIBELAS ON YOUR

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    Heat T reatment Section 18Why, How, where, Types of heat treatment available, heating ,

    Soaking, Cooling, Recommendations, Advantages, Disadvantages,AVALIBEL AVALIBEL

    AS ON YOUR

    REQUIST

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