前言 Unit One Basic Knowledge of Welding Module 1 What Is Welding Module 2 Heat Treatment of Steel Module 3 Selection of Metals in Welding Module 4 Effect of Welding on Structure of Steel Unit Two Stresses and Cracking of Welding Module l Stresses Occurring in Welding Module 2 Welding Cracking Unit Three Welding Methods Module 1 Shielded Metal Arc Welding Module 2 Submerged Arc Welding Fundamentals of Process Module 3 C02 Welding Module 4 Gas Tungsten Arc Welding Module 5 Gas Metal Arc Welding Module 6 Resistance Welding Unit Four Cutting Module 1 Flame Cutting Module 2 Plasma Arc Cutting Unit FiVe Inspection Module 1 Radiographic Examination Module 2 Ultrasonic Examination Module 3 Magnetic Particle Examination IV Module 4 Penetrant Examination Appendix Appendix A Selective Reading Materials Text One Technology of SMAW Text Two Technology of Submerged Arc Welding Text Three Flux-Cored Arc Welding Appendix B Terms of Welding Appendix C Vocabulary References