Steel 3
A4 steel
Steel 76F
76KhSF steel
Steel 76C (M76C)
78KhSF steel
Steel 90AF (E90AF)
Steel A1 (A0)
A2 steel
A3 steel
Steel 76VT (M76VT)
Steel wheel 1
Steel wheel 2
Steel wheel 3
Steel M75
Steel H50
OS Steel
PT70 steel
T60 steel
Steel 70 (M70)
Steel 2
Steel 3
3Gps steel
Steel 4
Steel 54 (M54)
5Gps steel
Steel 63 (K63)
Steel 68 (M68)
76T steel
Steel 73B (M73B)
Steel 73T (M73T)
Steel 73C (M73C)
Steel 74 (M74)
Steel 74T (M74T)
Steel 74C (M74C)
Steel 76 (M76)
Steel 76B (M76B)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 3 |
| Designation GOST Latin | 3 |
| Transliteration | 3 |
| The chemical elements | 3 |
Description
Steel 3 is used: for the manufacture of tires of trucks and shunting locomotives and tenders Railways of 1520 mm (used only by agreement between manufacturer and consumer).
Note
Steel bandage.
The steel must be subjected to secondary treatment by blowing nitrogen, argon or vacuum.
Standards
| Name | Code | Standards |
|---|---|---|
| Bandages. Wheels. Axes | В41 | GOST 398-96, GOST 3225-80, GOST 5000-83, GOST Р 52366-2005 |
Chemical composition
| Standard | C | S | P | Mn | Si | Fe | V |
|---|---|---|---|---|---|---|---|
| GOST 398-96 | 0.6-0.68 | ≤0.04 | ≤0.035 | 0.6-0.9 | 0.22-0.45 | The rest | 0.06-0.15 |
Fe is the basis.
According to GOST 398-96, the content of molybdenum is not more than 0.08%, nickel is not more than 0.25%, chromium is not more than 0.20%, copper is not more than 0.30%. The total content of sulfur and phosphorus should not be more than 0.065%. The total content of chromium, nickel and copper should be at least 0.30%. In the finished tires, the maximum deviations in chemical composition are allowed in accordance with the requirements of GOST 380.
According to GOST 398-96, the content of molybdenum is not more than 0.08%, nickel is not more than 0.25%, chromium is not more than 0.20%, copper is not more than 0.30%. The total content of sulfur and phosphorus should not be more than 0.065%. The total content of chromium, nickel and copper should be at least 0.30%. In the finished tires, the maximum deviations in chemical composition are allowed in accordance with the requirements of GOST 380.
Mechanical characteristics
| Section, mm | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 | Brinell hardness number, MPa |
|---|---|---|---|---|---|
| Bandages according to GOST 398-96. Sakazakii with separate heating + Vacation | |||||
| 1000-1270 | ≥8 | ≥12 | ≥196 | ≥275 | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
