Steel 6KHVG
Designation
| Name |
The value |
| Designation GOST Cyrillic |
6ХВГ |
| Designation GOST Latin |
6XBG |
| Transliteration |
6HVG |
| The chemical elements |
6CrWMn |
Description
6KHVG steel is used: for the manufacture of punches complex shapes in cold firmware mainly shaped holes in the sheet and strip material; small dies for hot stamping, mainly when you want minimal size change during hardening.
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 |
0.55-0.7 |
≤0.03 |
≤0.03 |
0.9-1.2 |
0.5-0.8 |
0.1-0.4 |
≤0.4 |
The rest |
≤0.3 |
≤0.15 |
≤0.03 |
≤0.2 |
0.5-0.8 |
Fe is the basis.
Mechanical characteristics
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
HRC |
| Rolled steel. Quenching in oil from 870 °C to + Vacation at 450 °C (exposure 2 hours) |
|
- |
≥1450 |
≥1570 |
≥10 |
≥38 |
≥460 |
- |
| Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h) |
| - |
200 |
≥1820 |
≥1852 |
≥2 |
≥3 |
≥26 |
≥56 |
| Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥1240 |
≥1460 |
≥10 |
≥40 |
≥51 |
- |
| Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h) |
| - |
300 |
≥1700 |
≥2009 |
≥1 |
≥5 |
≥14 |
≥55 |
| Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥1180 |
≥1440 |
≥14 |
≥49 |
≥46 |
- |
| Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h) |
| - |
400 |
≥1470 |
≥1690 |
≥7 |
≥26 |
≥20 |
≥51 |
| Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥1100 |
≥1390 |
≥11 |
≥55 |
≥41 |
- |
| Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h) |
| - |
450 |
≥1450 |
≥1570 |
≥10 |
≥38 |
≥46 |
≥46 |
| Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours) |
| - |
- |
≥810 |
≥880 |
≥15 |
≥72 |
≥44 |
- |
| Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h) |
| - |
500 |
≥1270 |
≥1390 |
≥10 |
≥30 |
≥30 |
≥40 |
| - |
550 |
≥1180 |
≥1270 |
≥11 |
≥20 |
≥40 |
≥34 |
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 |
| Forging temperature |
Start - 1160 °C, the end - 850 °C slow Cooling in the wells. |
