Descriptors | Design, Mechanical testing, Maintenance, Steam boilers, Pressure testing, Dimensions, Design calculations, Marking, Pressure, Boilers, Hot-water boilers, Automatic control systems, Manganese steels, Hydraulic tests, Test specimens, Grades (quality), Stress analysis, Welding, Structural design, Cylindrical shape, Heat treatment, Temperature, Holes, Unalloyed steels, Defects, Thickness, Safety devices, Fusion welding, Welded joints, Leak tests, Stiffeners, Supports, Acceptance (approval), Dished ends, Safety valves, Non-destructive testing, Steels, Boiler tubes, Boiler stays, Fire-tube boilers, Inspection |