Steel 15KH18N22V6M2RL

Designation

Name The value
Designation GOST Cyrillic 15Х18Н22В6М2РЛ
Designation GOST Latin 15X18H22B6M2PL
Transliteration 15H18N22V6M2RL
By chemical elements 15Cr18Н22W6Mo2B

Description

15KH18N22V6M2RL steel is used: for the manufacture of castings of engine parts for aviation industry (working and nozzle blades of gas turbines, and other details).

Note

Steel heat-resistant austenitic class. Steel heat-resistant at temperatures up to +1000 °C, heat-resistant at temperatures up to +800 °C.

Standards

Name Code Standards
Steel castings В82 GOST 977-88

Chemical composition

Standard C S P Mn Cr Si Ni Fe B Mo W
GOST 977-88 0.1-0.2 ≤0.03 ≤0.035 0.3-0.6 16-18 0.2-0.6 20-24 Rest ≤0.01 2-3 5-7
Fe is the basis.
According to GOST 977-88, the content and necessity of boron control is established in the design documentation (CD).

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Aging at 790-810 °C (delay of 12-16 h), air cooling
100 ≥196 ≥491 ≥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