Brand:YSM
Quantity:20
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1.surface quenching HRC 52~58
2.track face hardening depth 4~7mm
3.corner hardening depth>2
4.machining:forging steel
5.technology: forging casting
6.material: 40CR 50Mn
7.certificate: ISO9000/9001.2000

1.surface quenching HRC 52~58
2.track face hardening depth 4~7mm
3.corner hardening depth>2
4.machining:forging steel
5.technology: forging casting
6.material: 40CR 50Mn
7.certificate: ISO9000/9001.2000

