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Steel 5ХВ2С

Designation

Name The value
Designation GOST Cyrillic 5ХВ2С
Designation GOST Latin 5XB2C
Transliteration 5HV2S
The chemical elements 5CrW2С

Description

5ХВ2С steel is used: for the manufacture of knives during the cold cutting of metal; thread rolling dies, punches and crimp matrix in cold metal work; dies complex forms, working with high impact loads.

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
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
Metal forming. Forgings В03 TU 14-1-1530-75

Chemical composition

Standard C S P Mn Cr Si Ni Cu V Mo W
0.45-0.55 ≤0.03 ≤0.03 0.15-0.45 0.9-1.2 0.8-1.1 ≤0.35 ≤0.3 ≤0.3 ≤0.3 1.8-2.3
Chemical composition is not verified by NTD. Total verified brands for chemical compounds: 2906 of 3316.

Mechanical characteristics

t отпуска, °C sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 HRC
Quenching in oil with 870-890 °C to + Leave (exposure 2 hours)
200 ≥1810 ≥1960 ≥6 ≥13 ≥150 ≥56
A sample with a diameter of 20 mm. Quenching in oil with 870-890 °C + Vacation at 440-460 °C
- ≥1470 ≥1620 ≥5 ≥15 ≥340 -
Samples of hot rolled and annealed strip with section 10-15 mm. Isothermal quenching from 1000 °C, cooling in a mixture of salts (in the delivery condition specified temperature isotherms - exposure 30 min)
- - - - - ≥350 ≥56
Quenching in oil with 870-890 °C to + Leave (exposure 2 hours)
300 ≥1720 ≥1830 ≥8 ≥20 ≥180 ≥54
A sample with a diameter of 20 mm. Quenching in oil with 870-890 °C + Vacation at 440-460 °C
- ≥1420 ≥1570 ≥5 ≥20 ≥340 -
Samples of hot rolled and annealed strip with section 10-15 mm. Isothermal quenching from 1000 °C, cooling in a mixture of salts (in the delivery condition specified temperature isotherms - exposure 30 min)
- - - - - ≥690 ≥52
Quenching in oil with 870-890 °C to + Leave (exposure 2 hours)
400 ≥1530 ≥1670 ≥9 ≥26 ≥200 ≥52
A sample with a diameter of 20 mm. Quenching in oil with 870-890 °C + Vacation at 440-460 °C
- ≥1220 ≥1320 ≥10 ≥45 ≥240 -
Samples of hot rolled and annealed strip with section 10-15 mm. Isothermal quenching from 1000 °C, cooling in a mixture of salts (in the delivery condition specified temperature isotherms - exposure 30 min)
- - - - - ≥730 ≥41
Quenching in oil with 870-890 °C to + Leave (exposure 2 hours)
500 ≥1290 ≥1470 ≥10 ≥30 ≥230 ≥46
A sample with a diameter of 20 mm. Quenching in oil with 870-890 °C + Vacation at 440-460 °C
- ≥1030 ≥1180 ≥12 ≥50 ≥200 -
Samples. Quenching in oil from 900-920 °C + Vacation at 170-190 °C,air cooling
- - - - - - 56
Rolled steel. - Heat to 700-750 °C. Quenching in oil, 860-900 °C + Vacation, air cooling (final heat treatment)
430-470 - - - - - 47-52
Quenching in oil with 870-890 °C to + Leave (exposure 2 hours)
600 ≥1030 ≥1180 ≥11 ≥35 ≥340 ≥41
Rolled steel. - Heat to 700-750 °C. Quenching in oil, 860-900 °C + Vacation, air cooling (final heat treatment)
200-250 - - - - - 54-59

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)

Physical characteristics

Temperature R, НОм · м С, Дж/(кг · °С)
0 300 -
20 300 -
200 420 -
500 690 462
800 1080 655
900 1150 832
100 - 462
300 - 462
600 - 655
1000 - 832
1200 - 752

A description of the physical symbols

Name Description
G Modulus of elasticity shear torsion
r Density
l Coefficient of thermal conductivity
R UD. the resistivity

Technological properties

Name The value
Weldability Steel is not used for welded structures.
Propensity to temper brittleness Malosolone.
Forging temperature Start - 1180 °C, the end - 850 °C slow Cooling in the wells.
Flock-sensitive sensitivity Sensitive.

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