Designation
| Name |
The value |
| Designation GOST Cyrillic |
30Х2НВФМА |
| Designation GOST Latin |
30X2HBFMA |
| Transliteration |
30H2NVFMA |
| By chemical elements |
30Cr2НWVMo |
Description
30Х2НВФМА steel is used: for the manufacture of critical parts of high strength and toughness, working in conditions of alternating loads (crankshafts, gears, connecting rods, etc.); details of the aircraft manufacturing industry in the nitride state.
Note
Alloy structural steel vysokokachestvennoj.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and General rules |
В20 |
OST 1 90005-91 |
Mechanical properties
| HB, MPa |
HRC |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| 285-341 |
27-36 |
| 331-376 |
36-40 |
Description mechanical marks
| Name |
Description |
| HB |
Brinell hardness number |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
