Steel 20Х21Н46В8Л
Designation
Description
20Х21Н46В8Л steel is used: for the manufacture of castings of aircraft engine parts; working and nozzle blades of gas turbines.
Note
Heat resistant up to +1000 °C heat-resistant up to +800 °C austenitic steel.
Standards
Chemical composition
Ni is the basis.
According to GOST 2176-77, the chemical composition is given for steel grade 20Х21Н46В8Л. Boron is introduced into the metal by calculation. 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 20Х21Н46В8Л. Boron is introduced into the metal by calculation. 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.