Steel 60С2Х (60S2KHA; 60С2ХАА)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
60С2Х |
| Designation GOST Latin |
60C2X |
| Transliteration |
60S2H |
| The chemical elements |
60С2Cr |
| Name |
The value |
| Designation GOST Cyrillic |
60С2ХА |
| Designation GOST Latin |
60C2XA |
| Transliteration |
60S2HA |
| The chemical elements |
60С2Cr |
| Name |
The value |
| Designation GOST Cyrillic |
60С2ХАА |
| Designation GOST Latin |
60C2XAA |
| Transliteration |
60S2HAA |
| The chemical elements |
60С2CrN |
Description
60С2Х steel is used: for the manufacture of hot rolled plates; large high-loaded springs and leaf springs for critical applications.
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, TU 14-1-4271-87, TU 302.02.040-89 |
| Sectional and shaped rolling |
В32 |
GOST 7417-75, GOST 7419-90, GOST 8559-75, GOST 8560-78, GOST 14955-77, GOST 14959-79, TU 3-757-83, TU 14-1-2118-77, TU 14-1-3493-82, TU 14-136-327-88, TU 14-11-245-88, TU 14-136-367-2008 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
| GOST 14959-79 |
0.56-0.64 |
≤0.025 |
≤0.025 |
0.4-0.7 |
0.7-1 |
1.4-1.8 |
≤0.25 |
The rest |
≤0.2 |
Fe is the basis.
According to GOST 14959-79 the chemical composition is given for steel grade 60С2ХА.
Mechanical characteristics
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
HRC |
| Rolled sheet. Isothermal annealing with a hold at 290 °C |
| ≤60 |
- |
≥1720 |
≥1950 |
≥10 |
≥46 |
≥716 |
- |
- |
| Rolled steel. Quenching in oil with 880-890 °C + Vacation |
| - |
200 |
- |
- |
- |
- |
≥226 |
- |
≥59 |
| Rolled sheet. Isothermal annealing with a hold at 290 °C + Vacation at 325 °C |
| ≤60 |
- |
≥1760 |
≥1920 |
≥8 |
≥45 |
≥490 |
- |
- |
| Rolled steel. Quenching in oil with 880-890 °C + Vacation |
| - |
250 |
≥2270 |
≥2380 |
- |
≥28 |
≥265 |
- |
≥58 |
| - |
300 |
≥2210 |
≥2340 |
≥6 |
≥26 |
≥255 |
- |
≥58 |
| Spring. Annealing at 860 °C, hot coiling at 850-890 °C. Quenching in oil with 850-870 °C + Vacation at 400-420 °C |
| - |
- |
- |
- |
- |
- |
- |
420-475 |
- |
| Rolled steel. Quenching in oil from 870 °C to + Leave at 420 °C, cooling in oil |
| 15-30 |
- |
≥1570 |
≥1760 |
≥5 |
≥20 |
≥285 |
- |
- |
| Rolled steel. Quenching in oil with 880-890 °C + Vacation |
| - |
350 |
≥2020 |
≥2240 |
≥8 |
≥26 |
≥226 |
- |
≥57 |
| Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Quenching in oil from 870 °C to + vacation at 470 °C |
|
- |
≥1325 |
≥1470 |
≥6 |
≥25 |
- |
- |
- |
| Rolled steel. Quenching in oil with 880-890 °C + Vacation |
| - |
400 |
≥1830 |
≥1990 |
≥8 |
≥38 |
≥363 |
- |
≥52 |
| - |
450 |
≥1600 |
≥1730 |
≥9 |
≥39 |
≥520 |
- |
≥48 |
| - |
500 |
≥1400 |
≥1530 |
≥10 |
≥38 |
≥461 |
- |
≥44 |
| - |
550 |
≥1240 |
≥1380 |
≥10 |
≥38 |
≥589 |
- |
≥40 |
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 |
| 0 |
196 |
78 |
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 |
tend not |
| Forging temperature |
Start - 1200 °C, the end - of 800 °C. |
| Flock-sensitive sensitivity |
not sensitive |
