Unit 1 Basic Knowledge of Welding 1
Course Design 1
Warm-up Question 1
Passage 1
Complementary Reading 6
Tips 10
Unit 2 Shielded Metal Arc Welding 11
Course Design 11
Warm-up Question 11
Passage 11
Complementary Reading 17
Tips 21
Unit 3 Submerged Arc Welding 22
Course Design 22
Warm-up Question 22
Passage 23
Complementary Reading 28
Tips 31
Unit 4 Gas Metal Arc Welding 32
Course Design 32
Warm-up Question 32
Passage 33
Complementary Reading 37
Tips 40
Unit 5 Cutting 41
Course Design 41
Warm-up Question 41
Passage 41
Complementary Reading 47
Tips 49
Practical Training One 50
Unit 6 Nondestructive Testing 52
Course Design 52
Warm-up Question 52
Passage 53
Complementary Reading 60
Tips 62
Unit 7 Welding Quality Standard—Shipbuilding and Repair Quality Standard for New Construction 63
Course Design 63
Warm-up Question 63
Passage 64
Complementary Reading 71
Tips 76
Unit 8 Quality Levels for Internal Imperfections—ISO 5817:2003 77
Course Design 77
Warm-up Question 77
Passage 77
Complementary Reading 86
Tips 91
Unit 9 Sand Casting Processes 92
Course Design 92
Warm-up Question 92
Passage 92
Complementary Reading 97
Tips 100
Unit 10 Die Casting 101
Course Design 101
Warm-up Question 101
Passage 101
Complementary Reading 106
Tips 109
Practical Training Two 110
Appendix 1 New Words and Expressions 112
Appendix 2 Vocabulary 131
Appendix 3 Selective Reading Materials 150
Appendix 4 Terms of Welding and Casting 157
References 179