National Workers' intermediate technology assessment training materials: welders(Chinese Edition)

Paperback. Pub Date: 2012 Pages: 404 Language: Chinese in Publisher: China Labor and Social Security Publishing House National Workers' intermediate technology assessment training materials: Welder reference Intermediate knowledge and skills requirements of the national occupational standards - welders. in the preparation of abandon the outmoded process. new knowledge. The main content of the book include: welded structure manufacturing process. the formation and properties of welded joints. SMAW. melted gas metal arc welding and tungsten inert gas shielded arc welding. submerged arc welding. plasma arc welding and cutting as well as resistance welding and other welding method. commonly used in metal welding materials. welding quality control and inspection. The same time. the book is also in accordance with the identification of the kinds of questions and assessment require...