Steel 16KH18N12S4TJUL (ЭИ654ЛК)
Designation
Description
16KH18N12S4TJUL steel is used: for the manufacture of castings, and a molten-welded components operating in corrosive environments, in particular concentrated nitric acid at temperatures up to +105 °C; casting of the 3rd group of parts of valves and actuators to it, working in concentrated nitric acid at temperatures up to +80 °C and in less aggressive environments when the working environment temperature from -70 to +300 °C without limitation of the rated working pressure.
Note
Steel corrosion resistant austenitic-ferritic class.
Standards
Chemical composition
Fe is the basis.
According to GOST 2176-77 the chemical composition is given for steel grade 16H18N12S4TYL (EI654LK). Deviations from the norms of chemical composition are allowed: for carbon ± 0.020%; for silicon ± 0.10%; on manganese, copper, chromium and nickel ± 0.10% each; by titanium and tungsten ± 0.050% each; by vanadium, molybdenum and niobium ± 0.020% each.
According to GOST 2176-77 the chemical composition is given for steel grade 16H18N12S4TYL (EI654LK). Deviations from the norms of chemical composition are allowed: for carbon ± 0.020%; for silicon ± 0.10%; on manganese, copper, chromium and nickel ± 0.10% each; by titanium and tungsten ± 0.050% each; by vanadium, molybdenum and niobium ± 0.020% each.