1. Professional manufacturer 2. Sinter duplex gear 3. Carbonitriding quenching in-house Product NameSinter duplex gear for roast chicken furnaceRaw MaterialsFe-Cu-C, MPIF FC-0205Feature1. Density: No less than 6.8g/cm32. Hardness: HB60-1003. Steam treatment: 2H high temp steam holding time, Thickness of Fe3O4: 0.004-0.005mmApplicationPower tool, Electric tool, Angle grinder, Mower, Snowplow etc. ...