Designation
| Name |
The value |
| Designation GOST Cyrillic |
4Х3ВМФ |
| Designation GOST Latin |
4X3BMF |
| Transliteration |
4H3VMF |
| By chemical elements |
4Cr3WMoV |
| Name |
The value |
| Designation GOST Cyrillic |
ЗИ2 |
| Designation GOST Latin |
ZI2 |
| Transliteration |
ZI2 |
| By chemical elements |
ЗИ2 |
Description
4KH3VMF steel is used: for the manufacture of small hammer stamps, hammer and pressing the inserts (thickness or diameter from 300 mm to 400 mm), tool, horizontal forging machines for hot deformation of structural steels and heat resisting steels; tool machine for high speed punching of structural steel.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В33 |
GOST 4405-75 |
| Bars and shapes |
В32 |
GOST 5950-2000, GOST 14955-77 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| GOST 5950-2000 |
0.4-0.48 |
≤0.03 |
≤0.03 |
0.3-0.6 |
2.8-3.5 |
0.6-0.9 |
≤0.4 |
Rest |
≤0.3 |
0.6-0.9 |
≤0.03 |
0.4-0.6 |
0.6-1 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
KCU, kJ/m2 |
| Rolled steel. Quenching in oil with the 1040 - 1060 °C + Vacation at 560-580 °C (aging for 1 hour) + Holiday at 530-570 °C (aging 1 HR) |
| 10 |
≥1520 |
≥1720 |
≥560 |
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 |
