Steel 13Х11Н5М5Л (VNL-5)

Designation

Name The value
Designation GOST Cyrillic 13Х11Н5М5Л
Designation GOST Latin 13X11H5M5L
Transliteration 13H11N5M5L
By chemical elements 13Cr11Н5Mo5
Name The value
Designation GOST Cyrillic ВНЛ-5
Designation GOST Latin BHL-5
Transliteration VNL-5
By chemical elements WНBe-5

Description

13Х11Н5М5Л steel is used: for the manufacture of shaped castings for the aviation industry.

Note

According to OST 1 90090−79 chemical composition of VIAM will be sent on request.

Standards

Name Code Standards
Classification, nomenclature and General rules В20 OST 1 90005-91
Castings with special properties (iron and steel) В83 OST 1 90090-79
Bars and shapes В32 TU 14-1-861-74

Mechanical properties

sT|s0,2, MPa σU, MPa d y, % KCU, kJ/m2 HB, MPa
Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91
- 1470-1670 - - - 401-495
The casting and the ceramic mold. Heating up to 1120-1140 °C, exposure of 3-5 hours, air cooling + Heating up to 1120-1140 °C, exposure for 2-3 hours, cooling to a temperature not below 950 °C lead rapidly (in oil or compressed air) + cold Treatment at -70 °C for 2 hours + Vacation at a temperature of 480-520 °C (2-3 hours), air cooling
≥1177 ≥1472 ≥12 ≥30 ≥392 401-495

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
d Elongation after rupture
y The relative narrowing
KCU Toughness
HB Brinell hardness number