Designation
| Name |
The value |
| Designation GOST Cyrillic |
10Х14Н5М2Л |
| Designation GOST Latin |
10X14H5M2L |
| Transliteration |
10H14N5M2L |
| By chemical elements |
10Cr14Н5Mo2 |
| Name |
The value |
| Designation GOST Cyrillic |
ВНЛ-2 |
| Designation GOST Latin |
BHL-2 |
| Transliteration |
VNL-2 |
| By chemical elements |
WНBe-2 |
Description
10Х14Н5М2Л steel is used: for the manufacture of shaped castings for the aircraft industry; casting investment casting for aircraft industry group I — loaded items with the specific requirements for density and mechanical properties: high load brackets, sealed the housing, the frames of gyroscopes, stabilizers, etc. and group II — non-loaded and lightly loaded parts, rings, flanges, fittings, leaking instrument cabinets, etc.
Note
Stainless steel austenitic-martensitic class.
Standards
| Name |
Code |
Standards |
| Steel castings |
В82 |
OST 1 80059-83 |
| Classification, nomenclature and General rules |
В20 |
OST 1 90005-91 |
| Castings with special properties (iron and steel) |
В83 |
OST 1 90090-79 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
N |
Al |
V |
Ti |
Mo |
W |
| OST 1 90090-79 |
0.12-0.16 |
≤0.025 |
≤0.025 |
≤0.9 |
13-15 |
≤0.75 |
4.5-5.5 |
Rest |
≤0.3 |
≤0.05 |
≤0.1 |
≤0.05 |
≤0.05 |
2.3-2.8 |
≤0.2 |
Fe is the basis.
According to OST 1 90090-79, the content of nitrogen in the steel is allowed up to 0.070%.
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 |
| - |
1320-1520 |
- |
- |
- |
388-445 |
| The casting and the ceramic mold. Pre-T/A: Heating to 770-790 °C, air cooling + heating up to 650 °C, air cooling + Final T/O: Hardening in air, 1000-1120 °C + cold treatment for 2 hours at a temperature of -70 °C to + vacation at 450 °C (2 hours), air cooling |
| ≥883 |
≥1324 |
≥10 |
≥30 |
≥392 |
388-445 |
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 |
