Designation
| Name |
The value |
| Designation GOST Cyrillic |
13Х3НВМ2Ф |
| Designation GOST Latin |
13X3HBM2F |
| Transliteration |
13H3NVM2F |
| By chemical elements |
13Cr3НWMo2V |
| Name |
The value |
| Designation GOST Cyrillic |
ДИ45 |
| Designation GOST Latin |
DI45 |
| Transliteration |
DI45 |
| By chemical elements |
CuИ45 |
| Name |
The value |
| Designation GOST Cyrillic |
ВКС-4 |
| Designation GOST Latin |
BKC-4 |
| Transliteration |
VKS-4 |
| By chemical elements |
WCoС-4 |
Description
13Х3НВМ2Ф steel is used: for the production of hot-rolled and forged bars that are used in the manufacture of spetskrepezh and high-loaded parts, special purpose methods subsequent pressure treatment, cold drawing or machining; nitride of parts for the aircraft industry.
Note
Case hardening steel.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В22 |
GOST 1133-71, GOST 2590-2006, GOST 2591-2006 |
| Classification, nomenclature and General rules |
В20 |
OST 1 90005-91 |
| Blanks. Of the workpiece. Slabs |
В21 |
OST 14-13-75 |
| Classification, nomenclature and General rules |
В30 |
OST 64-155-75 |
| Bars and shapes |
В32 |
TU 14-1-2164-77 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Mo |
W |
| TU 14-1-2164-77 |
0.1-0.15 |
≤0.012 |
≤0.03 |
≤0.6 |
2.7-3.2 |
0.4-0.8 |
0.8-1.2 |
Rest |
0.25 |
0.15-0.3 |
1.6-2.1 |
0.6-0.9 |
Fe is the basis.
According to TU 14-1-2164-77 the chemical composition is given for steel 13Х3НВМ2Ф-Ш (ДИ45-Ш).
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
HRC |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| - |
- |
- |
- |
- |
- |
285-415 |
30-43.5 |
| - |
- |
- |
- |
- |
- |
302-363 |
28-37 |
| Bars hot rolled and forged. Quenching in oil from 1110-1130 °C, 3-fold vacation at ranges from 520 to 540 °C - exposure for 1 hour |
|
≥930 |
≥1080 |
≥7 |
≥30 |
≥590 |
321-415 |
- |
|
≥930 |
≥1080 |
≥10 |
≥50 |
≥590 |
321-415 |
- |
| Bars hot rolled and forged. Quenching in oil from 900-920 °C, the release of 400 °C, air cooling |
|
≥885 |
≥980 |
≥7 |
≥30 |
≥290 |
321-415 |
- |
|
≥885 |
≥980 |
≥10 |
≥50 |
≥490 |
321-415 |
- |
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 |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
| HB |
Brinell hardness number |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
