Steel 6KHVG

Designation

Name The value
Designation GOST Cyrillic 6ХВГ
Designation GOST Latin 6XBG
Transliteration 6HVG
By 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
Bars and shapes В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006
Sheets and strips В33 GOST 4405-75, TU 14-131-971-2001
Bars and shapes В32 GOST 5950-2000, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, TU 14-11-245-88
Blanks. Of the workpiece. 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 Rest ≤0.3 ≤0.15 ≤0.03 ≤0.2 0.5-0.8
Fe is the basis.

Mechanical properties

Section, mm t отпуска, °C sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 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
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
KCU Toughness
HRC Rockwell hardness (indenter diamond spheroconical)

Technological properties

Name The value
The temperature of forging Start - 1160 °C, the end - 850 °C slow Cooling in the wells.