Steel 60S2
Designation
Name |
The value |
Designation GOST Cyrillic |
60С2 |
Designation GOST Latin |
60C2 |
Transliteration |
60S2 |
The chemical elements |
60С2 |
Description
60S2 steel is used: for the manufacture of hot rolled plates; heavy-duty springs, torsion shafts, spring rings and washers, collets, friction discs measuring tapes.
Note
Steel spring alloy quality.
Standards
Name |
Code |
Standards |
Sheets and stripes |
В23 |
GOST 103-2006 |
Sectional and shaped rolling |
В32 |
GOST 1051-73, GOST 7417-75, GOST 7419-90, GOST 8559-75, GOST 8560-78, GOST 14955-77, GOST 14959-79, TU 14-1-2118-77, TU 14-1-501-73, TU 14-11-245-88, TU 14-136-367-2008 |
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 14-1-1986-77, TU 14-130-278-96 |
Tapes |
В34 |
STP М334-80 |
Chemical composition
Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
GOST 14959-79 |
0.57-0.65 |
≤0.035 |
≤0.035 |
0.6-0.9 |
≤0.3 |
1.5-2 |
≤0.25 |
The rest |
≤0.2 |
Fe is the basis.
Mechanical characteristics
Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σB, MPa |
d5, % |
d4 |
y, % |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
HRC |
Cold-rolled steel strip at STP М334-80. After annealing |
0.15-3 |
- |
- |
≥900 |
- |
≥8 |
- |
- |
- |
- |
Rolled steel. Quenching in oil from 850 °C + Vacation |
- |
300 |
- |
- |
≥5 |
- |
≥27 |
≥196 |
≥465 |
- |
The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C |
- |
- |
≥1100 |
≥1270 |
11-13 |
- |
≥33 |
≥235 |
- |
- |
Sheet. Isothermal annealing with 860-880 °C in molten salt (tсоли=310-330 °C) + vacation at 310-330 °C, air cooling |
≤10 |
- |
≥1590 |
≥1760 |
≥12 |
- |
≥50 |
≥608 |
- |
47-50 |
Rolled steel. Quenching in oil from 850 °C + Vacation |
- |
400 |
- |
≥1680 |
≥7 |
- |
≥34 |
≥196 |
≥425 |
- |
The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C |
- |
- |
≥930 |
≥1220 |
≥15 |
- |
≥44 |
≥422 |
- |
- |
Rolled steel. Quenching in oil from 850 °C + Vacation |
- |
500 |
- |
≥1300 |
≥10 |
- |
≥42 |
≥226 |
≥345 |
- |
The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C |
- |
- |
≥820 |
≥950 |
≥19 |
- |
≥71 |
≥432 |
- |
- |
Spring. Wrapped at 850-870 °C, quenching in oil + Vacation at 430-460 °C, air cooling |
- |
- |
- |
- |
- |
- |
- |
- |
388-477 |
- |
Rolled steel. Quenching in oil from 850 °C + Vacation |
- |
600 |
- |
≥1030 |
≥17 |
- |
≥48 |
- |
≥295 |
- |
The billet 17 mm Quenching in oil from 860 °C to + Vacation at 550 °C |
- |
- |
≥510 |
≥590 |
≥23 |
- |
≥87 |
≥422 |
- |
- |
Spring. Quenching in oil with 850-870 °C + Vacation at 400-450 °C, air cooling |
- |
- |
- |
- |
- |
- |
- |
- |
387-418 |
- |
Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Quenching in oil from 870 °C to + vacation at 470 °C |
|
- |
≥1175 |
≥1270 |
≥6 |
- |
≥25 |
- |
- |
- |
Samples with a diameter of 10 mm, a length of 50 mm after rolling. The rate of deformation of 20 mm/min strain Rate 0,007 1/C |
- |
- |
≥83 |
≥97 |
≥66 |
- |
≥97 |
- |
- |
- |
- |
- |
≥55 |
≥67 |
≥62 |
- |
≥96 |
- |
- |
- |
- |
- |
≥35 |
≥42 |
≥61 |
- |
≥100 |
- |
- |
- |
- |
- |
≥20 |
≥26 |
≥78 |
- |
≥100 |
- |
- |
- |
- |
- |
≥12 |
≥15 |
≥90 |
- |
≥100 |
- |
- |
- |
Rolled steel. Quenching in oil from 860 °C to + Vacation at 425 °C, air cooling |
- |
- |
≥1370 |
≥1670 |
≥10 |
- |
≥40 |
- |
- |
- |
- |
- |
≥1220 |
≥1550 |
≥20 |
- |
≥55 |
- |
- |
- |
- |
- |
≥1080 |
≥1270 |
≥25 |
- |
≥75 |
- |
- |
- |
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 |
kJ/m2 |
Toughness |
HRC |
Rockwell hardness (indenter diamond spheroconical) |
Physical characteristics
Temperature |
Е, ГПа |
G, ГПа |
r, кг/м3 |
l, Вт/(м · °С) |
a, 10-6 1/°С |
С, Дж/(кг · °С) |
0 |
212 |
82 |
7680 |
28 |
- |
- |
20 |
212 |
- |
7680 |
28 |
- |
- |
100 |
206 |
80 |
7660 |
29 |
118 |
510 |
200 |
198 |
77 |
7630 |
29 |
127 |
510 |
300 |
192 |
74 |
7590 |
30 |
133 |
520 |
400 |
181 |
69 |
7570 |
30 |
137 |
535 |
500 |
178 |
68 |
7520 |
30 |
141 |
565 |
600 |
158 |
60 |
- |
29 |
145 |
585 |
700 |
144 |
54 |
- |
29 |
144 |
620 |
800 |
134 |
50 |
- |
28 |
144 |
620 |
1000 |
- |
- |
- |
- |
122 |
700 |
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 - 1200 °C, the end - of 800 °C. the cooling of the workpiece cross-section up to 250 mm in the air, 251-300 mm - in the pit |
Flock-sensitive sensitivity |
not sensitive |
Workability by cutting |
In hot-rolled condition at 270-320 HB and blower SB=1080 MPa Kn TV.SPL.=0,70 Kn b.St.=0,27 |