Designation
| Name |
The value |
| Designation GOST Cyrillic |
30Х2ГСНВМ |
| Designation GOST Latin |
30X2GCHBM |
| Transliteration |
30H2GSNVM |
| By chemical elements |
30Cr2MnСНWMo |
| Name |
The value |
| Designation GOST Cyrillic |
ВЛ-1Д |
| Designation GOST Latin |
BL-1D |
| Transliteration |
VL-1D |
| By chemical elements |
WBe-1Cu |
Description
30Х2ГСНВМ steel is used: for the manufacture of complex parts (wing spars, stabilizers, fuselage frames); solid-rolled rings from various industrial purposes.
Note
High-strength steel.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and General rules |
В20 |
OST 1 90005-91 |
| Sheets and strips |
В33 |
TU 14-1-4461-88 |
Mechanical properties
| Section, mm |
σU, MPa |
d5, % |
HRC |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| - |
1570-1860 |
- |
45.5-51.5 |
| The leaves of g/K and x/K on the other 14-1-4461-88. Hardening in air, 930-950 °C + Vacation at 200-280 °C, air cooling (heating for hardening must eliminate the carburization and decarburization, the samples transverse) |
|
≥1570 |
≥7 |
- |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |