Steel 60G
Designation
| Name |
The value |
| Designation GOST Cyrillic |
60Г |
| Designation GOST Latin |
60G |
| Transliteration |
60G |
| The chemical elements |
60Mn |
Description
Steel 60G used: for the manufacture of flat and round springs, leaf springs, spring rings and other parts of a spring type, which required high elastic properties and durability; tires, brake drums and bands, brackets, bushings and other parts General and heavy engineering; knives earthmoving machinery (bulldozers, scrapers, graders and graders, as well as to the dozer and grader blades equipment excavators, rollers and other earth moving machines); measuring tapes.
Note
Steel spring alloy.
Standards
| Name |
Code |
Standards |
| 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 14-11-245-88, TU 14-1-1271-75, TU 14-136-367-2008 |
| Sectional and shaped rolling |
В22 |
GOST 1133-71, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 9234-74, GOST 11474-76, GOST 17152-89, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006 |
| Armature, units and details of rolling stock of railways |
Д55 |
GOST 11530-93 |
| Sheets and stripes |
В33 |
GOST 1577-93, GOST 4405-75, TU 14-1-4118-86, TU 14-1-4516-88, TU 14-1-4118-2004 |
| Tapes |
В34 |
GOST 2283-79 |
| Steel wire medium- and high-carbon |
В72 |
GOST 26366-84 |
| Sheets and stripes |
В23 |
GOST 82-70, GOST 103-2006 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
| GOST 14959-79 |
0.57-0.65 |
≤0.035 |
≤0.035 |
0.7-1 |
≤0.25 |
0.17-0.37 |
≤0.25 |
The rest |
≤0.2 |
| GOST 17152-89 (ИСО 7129-82 |
0.57-0.65 |
≤0.035 |
≤0.035 |
0.7-1 |
≤0.25 |
0.17-0.37 |
≤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 |
d10 |
y, % |
Brinell hardness number, MPa |
HRC |
| Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery |
| 0.1-4 |
- |
- |
740-1180 |
- |
- |
- |
- |
- |
- |
| Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation |
| - |
400 |
≥1460 |
≥1710 |
≥2 |
- |
- |
≥5 |
≥440 |
- |
| Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery |
| 0.1-1.5 |
- |
- |
≤640 |
- |
≥15 |
- |
- |
- |
- |
| Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation |
| - |
500 |
≥1270 |
≥1460 |
≥4 |
- |
- |
≥10 |
≥420 |
- |
| Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery |
| 1.5-4 |
- |
- |
≤740 |
- |
≥10 |
- |
- |
- |
- |
| Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation |
| - |
600 |
≥1120 |
≥1240 |
≥7 |
- |
- |
≥16 |
≥380 |
- |
| Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery |
| 0.1-1.5 |
- |
- |
≤620 |
- |
≥15 |
- |
- |
- |
- |
| Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation |
| - |
700 |
≥980 |
≥1130 |
≥5 |
- |
- |
≥22 |
≥350 |
- |
| Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery |
| 1.5-4 |
- |
- |
≤620 |
- |
≥12 |
- |
- |
- |
- |
| Hot-rolled sheet. Normalization |
| 80 |
- |
≥390 |
- |
≥11 |
- |
- |
≥35 |
≥229 |
- |
| Flats on the other 14-1-4118-2004 |
|
- |
- |
540-780 |
- |
≥12 |
≥14 |
- |
- |
- |
| Rolled steel. Quenching in water with a 790-810 °C + Vacation at 360-400 °C, air cooling |
| 20 |
- |
≥1180 |
≥1370 |
≥5 |
- |
- |
≥10 |
- |
42-47 |
| Rolled steel. Quenching in water from 800-820 °C + Vacation at 530-600 °C, air cooling |
| 40-60 |
- |
≥640 |
≥830 |
≥9 |
- |
- |
≥37 |
- |
30-35 |
| Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Hardened in oil from 830 °C to + vacation at 470 °C |
|
- |
≥785 |
≥980 |
≥8 |
- |
- |
≥30 |
- |
- |
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 |
| d10 |
Elongation after rupture |
| y |
The relative narrowing |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
Physical characteristics
| Temperature |
Е, ГПа |
G, ГПа |
r, кг/м3 |
a, 10-6 1/°С |
С, Дж/(кг · °С) |
| 0 |
204 |
81 |
7810 |
- |
- |
| 20 |
204 |
- |
7810 |
- |
- |
| 100 |
- |
- |
- |
116 |
483 |
| 200 |
- |
- |
- |
119 |
483 |
| 300 |
- |
- |
- |
129 |
- |
| 400 |
- |
- |
- |
129 |
487 |
| 600 |
- |
- |
- |
138 |
529 |
| 800 |
- |
- |
- |
146 |
575 |
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. Partially welded contact. |
| Propensity to temper brittleness |
inclined when the content of Mn>=1% |
| Forging temperature |
Start - 1200 °C, the end - of 800 °C. |
| Flock-sensitive sensitivity |
insensitive |
| Workability by cutting |
In the hardened and tempered condition, when blower SB=800-920 MPa Kn TV.SPL.=0.72 Kn b.St.=0.63. |
