Designation
| Name |
The value |
| Designation GOST Cyrillic |
35ГЛ |
| Designation GOST Latin |
35GL |
| Transliteration |
35GL |
| By chemical elements |
35Mn |
Description
35GL steel is used: for the manufacture of castings, discs, sprockets, gear rims, drums, pulleys, universal joints, cross-arms, hubs, forks, trellis shafts and other heavily loaded parts of excavators; bearing caps; axles.
Standards
| Name |
Code |
Standards |
| Steel castings |
В82 |
GOST 977-88, OST 24.920.01-80, TU 108-23.45-88, TU 24-1-12-181-75 |
| Castings with special properties (iron and steel) |
В83 |
TU 1-812-0048-80 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Si |
Fe |
| GOST 977-88 |
0.3-0.4 |
≤0.04 |
≤0.04 |
1.2-1.6 |
0.2-0.4 |
Rest |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
| Hardening in air, 850-860 °C + vacation at 600-650 °C, air cooling |
| 100 |
≥343 |
≥589 |
≥14 |
≥30 |
≥491 |
| Normalization at 880-900 °C + vacation at 600-650 °C, air cooling |
| 100 |
≥294 |
≥540 |
≥12 |
≥20 |
≥294 |
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 |
Technological properties
| Name |
The value |
| Weldability |
limited weldability. Welding methods: SMAW, ADS under gas protection. Recommended heating and subsequent heat treatment. |
| Склонность к отпускной хрупкости |
tend not |
| Flock-sensitive sensitivity |
not sensitive |
| Machinability |
In the annealed condition with NV 202-207 Kn TV.SPL.=0.75 Kn b.St.=0.55 |
