Siderval manufactures special steel profiles for Kelly bars.
Types of steel used
Carbon steel and steel alloys (ex. 18NiCrMo5) are the most used materials.
Trapezoidal sections generally with rounded sides to be easily welded to the tubular sections.
For DRILLING EQUIPMENT
- Bars ready to be welded directly to the central component
- Complex section bars
- Material saving
- High mechanical properties