The textbook was created in accordance with the Federal State Educational Standard of Secondary Vocational Education for the profession "Welder "electric welding and gas welding works) PM.02 "Welding and cutting of parts from various steels, precious metals and their alloys, cast irons in all spatial positions. "Laboratory and practical works on the processes of formation of welded joints, features of heating and deformation of metal, technologies and equipment of electric fusion welding of modern structural materials, as well as on gas welding and cutting of metals are presented. For students of institutions of secondary vocational education.