Unit 1 Basic Knowledge of Welding 1
Section Ⅰ Teaching and Learning 2
Section Ⅱ Self-study 5
Section Ⅲ Practical Exercises 11
Unit 2 Shielded Metal Arc Welding 14
Section Ⅰ Teaching and Learning 15
Section Ⅱ Self-study 19
Section Ⅲ Practical Exercises 22
Unit 3 Submerged Arc Welding 25
Section Ⅰ Teaching and Learning 26
Section Ⅱ Self-study 30
Section Ⅲ Practical Exercises 33
Unit 4 Gas Shielded Arc Welding 35
Section Ⅰ Teaching and Learning 36
Section Ⅱ Self-study 39
Section Ⅲ Practical Exercises 43
Practical Training One 45
Unit 5 Cutting 53
Section Ⅰ Teaching and Learning 54
Section Ⅱ Self-study 59
Section Ⅲ Practical Exercises 62
Unit 6 Nondestructive Testing 64
Section Ⅰ Teaching and Learning 65
Section Ⅱ Self-study 73
Section Ⅲ Practical Exercises 76
Unit 7 Welding Quality Standard—Shipbuilding and Repair Quality Standard for New Construction 78
Section Ⅰ Teaching and Learning 79
Section Ⅱ Self-study 89
Section Ⅲ Practical Exercises 94
Unit 8 Quality Levels for Imperfections—ISO 5817:2007 96
Section Ⅰ Teaching and Learning 97
Section Ⅱ Self-study 107
Section Ⅲ Practical Exercises 116
Practical Training Two 118
Appendix 1 Selective Reading Materials 123
Appendix 2 Terms of Welding 130
Appendix 3 Vocabulary 140
References 152