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) |