Heavy EquipmentUndercarriage & Ground Engagement
Sprocket segment / drive sprocket casting
Sprocket tooth profile must match track link pitch and geometry. Mn steel: work-hardens in service. Regular alloy: heat-treated hardness 38–45 HRC.
Specifications
Material
Alloy cast steel (Cr-Mo-Mn); sometimes Hadfield Mn steel for extreme abrasion
Material Class
Cr-MoCast SteelHadfieldMn Steel
Service Conditions
abrasion
Common Processes
Sand casting; heat treat (Q&T or water quench for Mn steel – explosive/water hardening not applicable here; austenitize + water quench for Mn)
NDT & Inspection
Hardness profile; MT; dimensional (tooth form CMM); VT
Typical Specs & Notes
Sprocket tooth profile must match track link pitch and geometry. Mn steel: work-hardens in service. Regular alloy: heat-treated hardness 38–45 HRC.
⚠ Caveats
Sprocket tooth profile must match track link pitch and geometry.