Steel 6KHV2S
Designation
| Name |
The value |
| Designation GOST Cyrillic |
6ХВ2С |
| Designation GOST Latin |
6XB2C |
| Transliteration |
6HV2S |
| The chemical elements |
6CrW2С |
Description
6KHV2S steel is used: for the manufacture of knives cold metal cutting; dies, punches and crimp matrix in cold metal working; woodworking tools for continuous operation.
Standards
| Name |
Code |
Standards |
| Sectional and shaped rolling |
В22 |
GOST 1133-71, GOST 2590-2006, GOST 2591-2006 |
| Sheets and stripes |
В33 |
GOST 4405-75, TU 14-131-971-2001 |
| Sectional and shaped rolling |
В32 |
GOST 5950-2000, 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 |
Fe |
Cu |
V |
Ti |
Mo |
W |
| GOST 5950-2000 |
0.55-0.65 |
≤0.03 |
≤0.03 |
0.15-0.45 |
1-1.3 |
0.5-0.8 |
≤0.4 |
The rest |
≤0.3 |
≤0.15 |
≤0.03 |
≤0.2 |
2.2-2.7 |
Fe is the basis.
Mechanical characteristics
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
HRC |
| Annealed forged billet. Isothermal quenching in molten salt with 980-1000 °C, the temperature isotherms 250 °C (exposure 30 min) |
| 25 |
- |
- |
≥2270 |
- |
- |
≥300 |
≥57 |
| Long products (samples) Quenching in oil at 880 °C to + Leave (exposure 2 hours) |
| - |
200 |
≥1910 |
≥2100 |
≥2 |
≥10 |
≥980 |
≥62 |
| Long products (samples). Quenching in oil at 880 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥1680 |
≥1770 |
≥7 |
≥18 |
≥260 |
- |
| Annealed forged billet. Isothermal quenching in molten salt with 980-1000 °C, the temperature isotherm at 275 °C (exposure 30 min) |
| 25 |
- |
- |
≥2170 |
- |
- |
≥340 |
≥56 |
| Long products (samples) Quenching in oil at 880 °C to + Leave (exposure 2 hours) |
| - |
300 |
≥1840 |
≥1910 |
≥4 |
≥13 |
≥200 |
≥57 |
| Long products (samples). Quenching in oil at 880 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥1410 |
≥1630 |
≥8 |
≥10 |
≥270 |
- |
| Knives for cold metal cutting. Loaded into the furnace chamber at 800 °C, heating 100 °C/h to 970 °C, exposure 40 minutes, cooling in oil + Vacation at 250 °C (12 h exposure) |
| 45 |
- |
- |
≥2240 |
≥5 |
≥15 |
≥290 |
59-61 |
| Long products (samples) Quenching in oil at 880 °C to + Leave (exposure 2 hours) |
| - |
400 |
≥1640 |
≥1750 |
≥6 |
≥16 |
≥210 |
≥53 |
| Long products (samples). Quenching in oil at 880 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥1250 |
≥1390 |
≥11 |
≥48 |
≥240 |
- |
| Long products (samples) Quenching in oil at 880 °C to + Leave (exposure 2 hours) |
| - |
500 |
≥1550 |
≥1590 |
≥8 |
≥20 |
≥240 |
≥47 |
| Rolled steel. Quenching in oil at 880 °C + Vacation at 450 °C (exposure 2 hours) |
| - |
- |
≥1680 |
≥1770 |
≥7 |
≥18 |
≥260 |
- |
| Long products (samples). Quenching in oil at 880 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥1080 |
≥1230 |
≥13 |
≥53 |
≥230 |
- |
| Long products (samples) Quenching in oil at 880 °C to + Leave (exposure 2 hours) |
| - |
600 |
≥1300 |
≥1400 |
≥10 |
≥30 |
≥280 |
≥45 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| 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 |
does not apply to welded structures. |
| Propensity to temper brittleness |
inclined |
| Forging temperature |
Start - 1180 °C, the end - 850 °C slow Cooling in the wells. |
| Flock-sensitive sensitivity |
sensitive |
