Steel 6KHV2S

Designation

Name The value
Designation GOST Cyrillic 6ХВ2С
Designation GOST Latin 6XB2C
Transliteration 6HV2S
By 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
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 0.55-0.65 ≤0.03 ≤0.03 0.15-0.45 1-1.3 0.5-0.8 ≤0.4 Rest ≤0.3 ≤0.15 ≤0.03 ≤0.2 2.2-2.7
Fe is the basis.

Mechanical properties

Section, mm t отпуска, °C sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 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
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
Weldability does not apply to welded structures.
Склонность к отпускной хрупкости inclined
The temperature of forging Start - 1180 °C, the end - 850 °C slow Cooling in the wells.
Flock-sensitive sensitivity sensitive