Applications
- Parts subjected to high stresses and fatigue conditions, such as shafts, axles, and gears.
- Heavy machinery components, especially in automotive and industrial equipment applications.
- Parts for transmission systems and gear trains.
- Components in the construction and mining industries, such as heavy-duty machinery parts.
- Drive shafts and components of high-load machinery.
- Structural components in applications requiring superior impact and wear resistance.
Characteristics:
- High-strength, tough steel, ideal for applications requiring high wear resistance.
- Heat-treated (T), enhancing its strength and hardness.
- Ability to harden properly through heat treatment, improving its hardness.
- High resistance to fatigue and fracture under severe loading conditions.
- Good machinability in the annealed condition.
- Excellent resistance to deformation under load.
- Good weldability under certain controlled conditions.
Chemical Composition
| Variant | %(C) Carbono | %(Mn) Manganeso | %(P) Fósforo | %(S) Azufre | %(Si) Silicio | %(Cr) Cromo | %(Ni) Níquel | %(Mo) Molibdeno |
|---|---|---|---|---|---|---|---|---|
| 9840 T (Round) | 0.38% - 0.44% | 0.60% - 0.90% | 0.035% Máximo | 0.035% Máximo | 0.15% - 0.35% | 0.80% - 1.10% | 0.40% - 0.70% | 0.15% - 0.25% |