CementClinker Cooler
Clinker breaker hammer (clinker size reduction before cooler)
Clinker temperature: 200–600°C at breaker entry. Material must handle impact at elevated temperature. Mn steel: hardness reduces at >300°C – Hi-Cr white iron preferred for high-temp breakers.

Specifications
Material
Hadfield Mn steel Mn14Cr2 / Mn18Cr2 (impact dominant); Hi-Cr white iron 27%Cr (abrasion dominant)
Grades
Mn14Cr2;Mn18Cr2
Material Class
HadfieldWhite IronMn Steel
Service Conditions
high temperatureabrasionimpact loading
Common Processes
Sand casting; heat treat (Mn: solution anneal; Hi-Cr: destabilise + temper)
NDT & Inspection
Chemical analysis; hardness; microstructure; dimensional; Charpy (Mn); VT
Typical Specs & Notes
Clinker temperature: 200–600°C at breaker entry. Material must handle impact at elevated temperature. Mn steel: hardness reduces at >300°C – Hi-Cr white iron preferred for high-temp breakers.
⚠ Caveats
Material must handle impact at elevated temperature.