Steel 4ХВ2С
Designation
| Name |
The value |
| Designation GOST Cyrillic |
4ХВ2С |
| Designation GOST Latin |
4XB2C |
| Transliteration |
4HV2S |
| The chemical elements |
4CrW2С |
Description
4ХВ2С steel is used: for the production of pneumatic tools: chisels, swages, punches and trimming dies complex forms, working with high impact loads.
Standards
| Name |
Code |
Standards |
| Sectional and shaped rolling |
В22 |
GOST 1133-71, GOST 2590-2006 |
| Sheets and stripes |
В33 |
GOST 4405-75 |
| Sectional and shaped rolling |
В32 |
GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, TU 14-11-245-88 |
| Bulls. Blanks. Slabs |
В31 |
OST 24.952.01-89 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Cu |
W |
|
0.35-0.45 |
≤0.03 |
≤0.03 |
0.15-0.4 |
1-1.3 |
0.6-0.9 |
≤0.35 |
≤0.3 |
2-2.5 |
Mechanical characteristics
| t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
HRC |
| Quenching in oil at 880 °C to + Leave (exposure 8 h), air cooling |
| 200 |
≥1700 |
≥1910 |
≥5 |
≥35 |
≥230 |
≥55 |
| Quenching in oil at 880 °C to + Leave at 430 °C (exposure 2 hours), air cooling |
| - |
≥1300 |
≥1470 |
≥8 |
≥35 |
≥290 |
- |
| Quenching in oil at 880 °C to + Leave (exposure 8 h), air cooling |
| 300 |
≥1630 |
≥1760 |
≥8 |
≥36 |
≥220 |
≥52 |
| Quenching in oil at 880 °C to + Leave at 430 °C (exposure 2 hours), air cooling |
| - |
≥1320 |
≥1500 |
≥10 |
≥47 |
≥440 |
- |
| Quenching in oil at 880 °C to + Leave (exposure 8 h), air cooling |
| 400 |
≥1450 |
≥1620 |
≥9 |
≥37 |
≥290 |
≥50 |
| Quenching in oil at 880 °C to + Leave at 430 °C (exposure 2 hours), air cooling |
| - |
≥1340 |
≥1520 |
≥12 |
≥49 |
≥410 |
- |
| Quenching in oil at 880 °C to + Leave (exposure 8 h), air cooling |
| 500 |
≥1260 |
≥1370 |
≥10 |
≥40 |
≥340 |
≥42 |
| Quenching in oil at 880 °C to + Leave at 430 °C (exposure 2 hours), air cooling |
| - |
≥1250 |
≥1370 |
≥13 |
≥60 |
≥390 |
- |
| Quenching in oil at 880 °C to + Leave (exposure 8 h), air cooling |
| 600 |
≥1140 |
≥1180 |
≥11 |
≥48 |
≥410 |
≥39 |
| Quenching in oil at 880 °C to + Leave at 430 °C (exposure 2 hours), air cooling |
| - |
≥1090 |
≥1170 |
≥13 |
≥60 |
≥420 |
- |
| - |
≥590 |
≥590 |
≥20 |
≥80 |
≥880 |
- |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| kJ/m2 |
Toughness |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
Technological properties
| Name |
The value |
| Weldability |
Steel is not used for welded structures. |
| Propensity to temper brittleness |
Tend not. |
| Forging temperature |
Start - 1180 °C, the end - 850 °C slow Cooling in the wells. |
| Flock-sensitive sensitivity |
Sensitive. |
