Ключевые слова:
Pipes, Pipe fittings, Pipe couplings, Seamed pipes, Steels, Hot-dip galvanizing, Spigot-and-socket joints, Drainpipes, Sewers, Pressure pipes, Drainage, Waste-water drainage, Water, Quality control, Grades (quality), Form tolerances, Surface treatment, Hardness measurement, Elongation at fracture, Compression set, Low-temperature testing, Accelerated testing, Ageing tests, Stress relaxation, Chemical-resistance tests, Ozone, Physical testing, Physical properties of materials, Mechanical testing, Volume measurement, Leak tests, Thermal testing, Corrosion resistance, Defects, Dimensional measurement, Marking, Type testing, Testing conditions, Test specimens, Performance testing, Technical documents