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Specifications
1.surface quenching HRC 52~58
2.track face hardening depth 4~7mm
3.corner hardening depth>2
4.machining:forging steel
excavator track roller
1.brand name: YSM
2.technology: forging casting
3.material: 40CR 50Mn
4.certificate: ISO9000/9001.2000
Excavator track roller
