Steel 20KH25N19S2L (15Х25Н19С2Л)
Designation
Description
20KH25N19S2L steel is used: for the manufacture of castings of parts operating at high temperatures in a highly stressed condition (retorts for annealing, heat treatment furnaces and parts boxes for carburizing); tsentrobezhnolityh pipes used as components in equipment for metallurgical, engineering, glass, ceramic, mining and processing petrochemical industry and is intended for the manufacture of blanks and parts used in the composition of the products of aviation and the nuclear industry.
Note
Steel corrosion resistant austenitic, heat resistant up to +1100 °C.
Standards
Chemical composition
Fe is the basis.
According to GOST 2176-77, the chemical composition is given for steel grade 20Х25Н19С2Л. 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 20Х25Н19С2Л. 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.