Designation
| Name |
The value |
| Designation GOST Cyrillic |
35Г |
| Designation GOST Latin |
35G |
| Transliteration |
35G |
| By chemical elements |
35Mn |
Description
Steel 35G used: for the manufacture of rods, the axes of the earrings, traverse, levers, couplings, shafts, sprockets, cylinders, discs, spindles, couplings, steam turbines, bolts, nuts, screws, and other items, and requirements of low strength.
Note
Structural steel high-quality manganese.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
GOST 4543-71, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-11-245-88, TU 14-1-1271-75, TU 14-1-5228-93, TU 14-136-367-2008 |
| Bars and shapes |
В22 |
GOST 8319.0-75 |
| Processing of metals by pressure. Forgings |
В03 |
GOST 8479-70 |
| Blanks. Of the workpiece. Slabs |
В31 |
OST 3-1686-90, TU 14-1-4944-90 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| GOST 4543-71 |
0.32-0.4 |
≤0.035 |
≤0.035 |
0.7-1 |
≤0.3 |
0.17-0.37 |
≤0.3 |
Rest |
≤0.3 |
≤0.05 |
≤0.03 |
≤0.15 |
≤0.2 |
Fe is the basis.
According to GOST 4543-71 the content in high-quality steel is regulated: P≤0,025%; S≤0.025%; Сu≤0.30%; in high-grade steel: P≤0,025%; S≤0.015%; Сu≤0.25%.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
| Without heat treatment |
| 5 |
- |
- |
- |
- |
- |
269 |
| Quenching in water from 860 °C to + vacation at 600 °C, air cooling |
| ≤25 |
340 |
570 |
18 |
45 |
700 |
- |
| Normalization at 850-870 °C + vacation at 600-630 °C. Place tenderloin longitudinal sample - 1/3R |
| 700 |
310 |
≤720 |
16 |
40 |
393 |
187-217 |
| Annealing or high tempering |
| 5 |
- |
- |
- |
- |
- |
207 |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
| HB |
Brinell hardness number |
Technological properties
| Name |
The value |
| Склонность к отпускной хрупкости |
malosana |
| The temperature of forging |
Start - 1250 °C, the end - of 800 °C. |
| Flock-sensitive sensitivity |
low |
