Quality Control Tests
The raw material (High Carbon steel bars) comes from certified supplies in order to guarantee no internal steel defects.
Inspection activities: ultrasonic test UT.
Hardness control test: Surface and Volumetric Hardness
Dimensional control: diameter tolerance
Ball surface control
Drop Ball Impact Test DBT: SAG balls are tested with our DBT (8m height) in order to check the impact resistance.
Microstructure analysis: Optical Microscope and Scanning
Electron Microscope (SEM)
Chemical analysis: Optical Emission Spectrometer (OES), X-ray Spectrometer.
Roll Forging Mill
Steel Forged Grinding Balls
Sizes: 20 – 130 mm
Two forging lines with Heat Treatment Process:
Line S75: diameters from 20 to 70mm
Line S85: diameters from 80 to 130mm
Total Capacity: 70.000 ton per year
Bulk: loose in container
Drums: reconditioned metal drums metal drums on pallet
Bags: big bags, big bags in wooden crates or on pallet