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Steel 60S2KHFA

Designation

Name The value
Designation GOST Cyrillic 60С2ХФА
Designation GOST Latin 60C2XFA
Transliteration 60S2HFA
The chemical elements 60С2CrV

Description

60S2KHFA steel is used: for the manufacture of hot rolled plates; responsible and heavy-duty springs and leaf springs.

Note

Steel spring alloy of high quality.

Standards

Name Code Standards
Sheets and stripes В23 GOST 103-2006
Sectional and shaped rolling В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006
Steel wire medium- and high-carbon В72 GOST 26366-84
Sheets and stripes В33 GOST 4405-75, TU 14-1-1409-75
Sectional and shaped rolling В32 GOST 7417-75, GOST 7419-90, GOST 8559-75, GOST 8560-78, GOST 14959-79, TU 14-1-2118-77, TU 14-1-2265-77, TU 14-1-4343-89, TU 14-11-245-88, TU 14-136-367-2008

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V
GOST 14959-79 0.56-0.64 ≤0.025 ≤0.025 0.4-0.7 0.9-1.2 1.4-1.8 ≤0.25 The rest ≤0.2 0.1-0.2
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 sheet. Quenching in oil at 880 °C to + Vacation at 450-550 °C
≤80 - ≥1540 ≥1640 ≥10 ≥35 ≥432 45-49
Rolled steel. Quenching in oil with 880-890 °C + Vacation
- 200 - - - - ≥294 ≥59
Rolled sheet. Isothermal annealing with a hold at 290 °C
≤60 - ≥1780 ≥1960 ≥11 ≥39 ≥736 -
Rolled steel. Quenching in oil with 880-890 °C + Vacation
- 250 ≥2190 ≥2340 ≥6 ≥20 ≥294 ≥58
Rolled sheet. Isothermal hardening with aging at 290 °C (1 h) + Vacation at 325 °C
≤60 - ≥1810 ≥1960 ≥8 ≥38 ≥657 45-51
Rolled steel. Quenching in oil with 880-890 °C + Vacation
- 300 ≥2180 ≥2340 ≥6 ≥22 ≥314 ≥58
Rolled steel. Quenching in oil from 850 °C + Vacation at 410 °C, cooling in oil
10-20 - ≥1670 ≥1860 ≥5 - - -
Rolled steel. Quenching in oil with 880-890 °C + Vacation
- 350 ≥2160 ≥2240 ≥6 ≥24 ≥324 ≥57
Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Quenching in oil from 870 °C to + vacation at 470 °C
- ≥1470 ≥1670 ≥6 ≥25 - -
Rolled steel. Quenching in oil with 880-890 °C + Vacation
- 400 ≥1870 ≥1930 ≥7 ≥29 ≥363 ≥53
- 450 ≥1690 ≥1810 ≥8 ≥35 ≥383 ≥49
- 500 ≥1540 ≥1640 ≥10 ≥35 ≥432 ≥46
- 550 ≥1440 ≥1530 ≥10 ≥37 ≥461 ≥43

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)

Physical characteristics

Temperature Е, ГПа G, ГПа r, кг/м3
20 191 77 1850

A description of the physical symbols

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

Technological properties

Name The value
Weldability Does not apply to welded structures.
Propensity to temper brittleness Malosolone.
Forging temperature Start - 1200 °C, the end - of 800 °C. slow Cooling, a subsequent heat treatment - annealing.

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