Steel 60S2N2A
Designation
| Name |
The value |
| Designation GOST Cyrillic |
60С2Н2А |
| Designation GOST Latin |
60C2H2A |
| Transliteration |
60S2N2A |
| The chemical elements |
60С2Н2 |
Description
60S2N2A steel is used: for the production of 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 14-1-723-73 |
| Sectional and shaped rolling |
В32 |
GOST 7417-75, GOST 7419-90, GOST 8559-75, GOST 8560-78, GOST 14955-77, GOST 14959-79, TU 14-1-2118-77, 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 |
≤0.3 |
1.4-1.8 |
1.4-1.7 |
The rest |
≤0.2 |
Fe is the basis.
Mechanical characteristics
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
d4 |
y, % |
Brinell hardness number, MPa |
| Rolled sheet. Annealing at 720 °C, cooling with the furnace |
| ≤3.9 |
- |
≤410 |
≤700 |
- |
≥19 |
≥50 |
- |
| Rolled steel. Quenching in oil from 870 °C to + Vacation |
| - |
380 |
≥1780 |
≥1920 |
≥6 |
- |
≥40 |
- |
| - |
400 |
≥1690 |
≥1760 |
≥6 |
- |
≥41 |
- |
| Spring. Annealing or leave before the drawing at 730 °C, hot coiling at 850-900 °C + Quenching in oil with 850-870 °C + Vacation at 380-420 °C, air cooling |
| - |
- |
- |
- |
- |
- |
- |
420-475 |
| Rolled steel. Quenching in oil from 850 °C + Vacation at 420 °C, air cooling |
| 10-25 |
- |
≥1570 |
≥1710 |
≥5 |
- |
≥20 |
- |
| Rolled steel. Quenching in oil from 870 °C to + Vacation |
| - |
420 |
≥1530 |
≥1640 |
≥7 |
- |
≥41 |
- |
| 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 |
≥8 |
- |
≥30 |
- |
| Rolled steel. Quenching in oil from 870 °C to + Vacation |
| - |
440 |
≥1390 |
≥1490 |
≥8 |
- |
≥42 |
- |
| - |
460 |
≥1360 |
≥1440 |
≥8 |
- |
≥41 |
- |
| - |
480 |
≥1230 |
≥1340 |
≥9 |
- |
≥40 |
- |
| - |
500 |
≥1210 |
≥1300 |
≥10 |
- |
≥41 |
- |
| - |
520 |
≥1100 |
≥1170 |
≥12 |
- |
≥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 |
| d4 |
Elongation after rupture |
| y |
The relative narrowing |
Physical characteristics
| Temperature |
Е, ГПа |
G, ГПа |
| 0 |
191 |
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 |
| a |
The coefficient of linear expansion |
Technological properties
| Name |
The value |
| Weldability |
does not apply to welded structures. |
| Propensity to temper brittleness |
tend not |
| Forging temperature |
Start - 1150 °C, the end - 850 °C. |
| Flock-sensitive sensitivity |
sensitive |
