Welded steel tubes for pressure purposes. Technical delivery conditions. Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties— 30 стр.
Welding consumables. Test methods and quality requirements. Supplementary mekthods and conformity assessment of consumables for steel, nickel and nickel alloys— 26 стр.
Water-tube boilers and auxiliary installations. Requirements for flue gas DENOX-systems using liquified pressurized ammonia and ammonia water solution— 28 стр.
Stainless steels. Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes— 56 стр.
Welded steel tubes for pressure purposes. Technical delivery conditions. Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties— 32 стр.