Steel 35ХН2МЛ
Designation
| Name |
The value |
| Designation GOST Cyrillic |
35ХН2МЛ |
| Designation GOST Latin |
35XH2ML |
| Transliteration |
35HN2ML |
| The chemical elements |
35CrН2Mo |
Description
35ХН2МЛ steel is used: for the manufacture of castings of gear rims, gear wheels and other heavily loaded parts; casting parts mining and metallurgical equipment and excavatoare.
Note
Steel 35ХН2МЛ has an increased tendency to lithoidal fracture and cracks.
Standards
| Name |
Code |
Standards |
| Castings with special properties (cast iron and steel) |
В83 |
KSt 81-033:2009 |
| Castings, steel |
В82 |
TU 108.11.352-87, TU 24-1-12-181-75 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Mo |
| TU 108.11.352-87 |
0.3-0.4 |
≤0.04 |
≤0.04 |
0.6-0.9 |
0.5-0.8 |
0.25-0.45 |
1.3-1.7 |
The rest |
≤0.3 |
0.2-0.3 |
| KSt 81-033:2009 |
0.3-0.4 |
≤0.035 |
≤0.03 |
0.5-0.8 |
0.5-0.8 |
0.17-0.37 |
1.5-1.9 |
The rest |
- |
0.25-0.4 |
Fe is the basis.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d |
y, % |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
| Casting parts mining and metallurgical equipment. Quenching in water from 840-860 °C + vacation at 580-600 °C, cooling in water |
| 100 |
≥690 |
≥780 |
≥10 |
≥20 |
≥390 |
229-285 |
| Casting parts excavatoare. After welding defects and release |
| - |
≥686 |
≥784 |
≥10 |
≥20 |
≥490 |
234-302 |
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 |
| d |
Elongation after rupture |
| y |
The relative narrowing |
| kJ/m2 |
Toughness |
Technological properties
| Name |
The value |
| Weldability |
limited weldability. Welding methods: SMAW, ADS under gas protection. Recommended heating and subsequent heat treatment. |
| Propensity to temper brittleness |
malosana |
| Flock-sensitive sensitivity |
sensitive |
