Designation
| Name |
The value |
| Designation GOST Cyrillic |
колесная 2 |
| Designation GOST Latin |
kolechaja 2 |
| Transliteration |
kolesnaya 2 |
| By chemical elements |
колесная 2 |
Description
Steel wheel 2 is used: for the manufacture of solid-rolled wheels for wheelsets of freight and passenger bogies of the cars locomotive traction, passenger, shunting and freight locomotives, track machines, non-motorized cars of electric and diesel trains mainline Railways of 1520 mm.
Standards
| Name |
Code |
Standards |
| Bandages. Wheels. Axis |
В41 |
GOST 9036-88, GOST 10791-2004 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Mo |
| GOST 10791-2004 |
0.55-0.65 |
≤0.03 |
≤0.035 |
0.5-0.9 |
≤0.3 |
0.22-0.45 |
≤0.3 |
Rest |
≤0.3 |
≤0.1 |
≥0.08 |
Fe is the basis.
Mechanical properties
| Section, mm |
σU, MPa |
d |
y, % |
KCU, kJ/m2 |
HB, MPa |
| Solid-rolled wheels after hardening heat treatment (NV - at a depth of 30 mm from the surface Catania) |
|
910-1110 |
≥8 |
≥14 |
≥200 |
≥255 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
| HB |
Brinell hardness number |
