Designation
| Name |
The value |
| Designation GOST Cyrillic |
35ГТРЛ |
| Designation GOST Latin |
35GTPL |
| Transliteration |
35GTRL |
| By chemical elements |
35MnTiB |
Description
35ГТРЛ steel is used: for the production of castings parts track links, rollers and wheels crawler tractors serial production.
Note
Low-alloy steel.
Standards
| Name |
Code |
Standards |
| Steel castings |
В82 |
TU 23.1.132-75 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
B |
Ti |
| TU 23.1.132-75 |
0.3-0.4 |
≤0.05 |
≤0.06 |
0.8-1.5 |
≤0.5 |
0.4-0.9 |
≤0.5 |
Rest |
0.001-0.003 |
0.005-0.03 |
Fe is the basis.
Mechanical properties
| Section, mm |
σU, MPa |
KCU, kJ/m2 |
HB, MPa |
| The castings as delivered on the other 23.1.132-75. Quenching in water with 1040-1070 °C + Normalizing (heating to 890-930 °C + air cooling) |
|
≥540 |
≥392 |
156-241 |
| The castings as delivered on the other 23.1.132-75. Quenching in water with 1040-1070 °C + Vacation at 180-200 °C |
|
≥1373 |
≥294 |
400-550 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| KCU |
Toughness |
| HB |
Brinell hardness number |
Technological properties
| Name |
The value |
| Microstructure |
Steel castings on the other 23.1.132-75 needs to have a martensitic structure. Allowed ferrite or troctolitic to 20%. |