Cswip 30 Course Notes

    CSWIP 30 - Visual Welding Inspector - Level 1 WIS1 Training Examination Services Granta Park, Great Abington Cambridge CB21 6AL, UK Copyright © TWI Ltd  Rev 2 January 2013 Contents Copyright   TWI Ltd 2013 wwwtwitrainingcom   CSWIP 30 - Visual Welding Inspector - Level 1   Contents Section Subject 1 Terms and Definitions 11 Types of weld 12 Types of joints (see BS EN ISO 15607) 13 Weld preparation 14 Size of butt welds 15 Fillet weld 16 Welding position, weld slope and weld rotation 17 Weaving 2 Visual Inspection and Typical Duties of a Welding Inspector 21 General 3 Welding Imperfections 31 Definitions 32 Cracks 33 Cavities 34 Solid inclusions 35 Lack of fusion and penetration 36 Imperfect shape and dimensions 37 Miscellaneous imperfections 38 Acceptance standards 4 Practical Visual Inspection 41 Good eyesight 5 Basic Introduction to Welding Processes 51 General 52 Tungsten inert gas (TIG) welding 53 Metal inert gas/metal active gas (MIG/MAG) welding 54 Submerged arc welding (SAW) 6 Materials Inspection 61 General 62 Material types and weldability 63 Material traceability 64 Material condition and dimensions 65 Summary  Rev 2 January 2013 Contents Copyright   TWI Ltd 2013 wwwtwitrainingcom   7 Welding Consumables 71 Introduction 72 Cellulosic electrodes 73 Rutile electrodes 74 Classification of electrodes 75 TIG filler wires 76 MIG/MAG filler wires 77 SAW filler wires 8 Non-Destructive Examination of Welds – Appreciation of the Common Methods 81 Introduction 82 Radiographic methods 83 X-rays 84 Ultrasonic methods 85 Ultrasonic testing vs radiography 86 Magnetic particle testing 87 Dye penetrant testing 88 Magnetic particle vs dye penetrant testing 9 Welding Procedure Qualification and Welder Qualification 91 General 92 Qualified welding procedure specifications 93 Relationship between a WPQR and a WPS 94 Welder qualification 10 Application and Control of Preheat 101 General 102 Definitions 103 Application of preheat 104 Control of preheat and interpass temperature 105 Temperature indicating/measuring equipment 106 summary 11 Arc Welding Safety 111 General 112 Electric shock 113 Heat and light 114 Fumes and gases 115 Noise 116 Summary 12 Weld Repairs 121 Production 122 Production repairs 13 Appendices  Appendix 1  Appendix 2  Appendix 3  Appendix 4  Appendix 5