Steel 15Х18Н22В6М2Л

Designation

Name The value
Designation GOST Cyrillic 15Х18Н22В6М2Л
Designation GOST Latin 15X18H22B6M2L
Transliteration 15H18N22V6M2L
By chemical elements 15Cr18Н22W6Mo2

Description

15Х18Н22В6М2Л steel is used: for the manufacture of castings of aircraft engine parts; working and nozzle blades of gas turbines.

Note

Corrosion resistant, heat resistant up to +800 °C, heat resistant up to +1000 °C austenitic steel.

Standards

Name Code Standards
Castings with special properties (iron and steel) В83 GOST 2176-77

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu B Mo W
GOST 2176-77 0.1-0.2 ≤0.03 ≤0.035 0.3-0.6 16-18 0.2-0.6 20-24 Rest ≤0.3 0.01 2-3 5-7
Fe is the basis.
According to GOST 2176-77 the chemical composition is given for steel grade 15H18N22V6M2L. 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.

Mechanical properties

sT|s0,2, MPa σU, MPa d5, %
Casting. Aging at 800 °C (delay of 12-16 h), air cooling
≥196 ≥490 ≥5

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture