Designation
| Name |
The value |
| Designation GOST Cyrillic |
4Х5В2ФС |
| Designation GOST Latin |
4X5B2FC |
| Transliteration |
4H5V2FS |
| By chemical elements |
4Cr5W2VС |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ958 |
| Designation GOST Latin |
EI958 |
| Transliteration |
EhI958 |
| By chemical elements |
- |
Description
4KH5V2FS steel is used: for the manufacture of molds die casting zinc, aluminium and magnesium alloys; hammer and pressing the inserts (thickness or diameter from 200 to 250 mm) during hot deformation of structural steels; tool for planting billets of alloyed structural and heat-resistant materials on horizontal forging machines.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В33 |
GOST 4405-75 |
| Bars and shapes |
В32 |
GOST 5950-2000, GOST 14955-77 |
| Processing of metals by pressure. Forgings |
В03 |
TU 14-1-1530-75 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| GOST 5950-2000 |
0.35-0.45 |
≤0.03 |
≤0.03 |
0.15-0.45 |
4.5-5.5 |
0.8-1.2 |
≤0.4 |
Rest |
≤0.3 |
0.6-0.9 |
≤0.03 |
≤0.2 |
1.6-2.2 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
KCU, kJ/m2 |
| Rolled steel. Quenching in oil with 1030-1050 °C + Vacation at 560-580 °C (aging for 1 hour) + Holiday at 530-540 °C (aging 1 HR) |
| 10 |
≥1690 |
≥1760 |
≥294 |
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 |
| KCU |
Toughness |
