February 26, 2026
CAT 6090 Excavator, Open-pit Iron Ore Mine, Western Australia
Cast bucket teeth had short service life (only 450 hours) in hard rock conditions. Frequent breakage and replacement led to high downtime cost.
42CrMo forged bucket teeth with isothermal quenching and surface strengthening. Hardness HRC52-56, good toughness, resistant to cracking.
Stable performance in hard rock mining. Long-term strategic partner since 2023.