Truck Parts Differential Parts, rear assay, side gear, Pinion Gear,Spider Gear, Bearing, Sliding Gear, Differential Housing,

-- OEM For Dana Holding Corporation

-- Material 20CrMnTiH,

-- Adopt American EPSON multi-purpose furnace carburizing processing

-- Carburizing layer thickness 1.2mm-1.5mm,

-- Internal hardness 38-42hrc, surface hardness 59-62hrc. I

-- Forging process: blanking - rough forging - cooling - sandblasting - temperature fine grinding forming