... manganese Mn13%, Mn18%, Mn24%, etc.3. Durable. Jaw crusher parts include:1. Fixed jaw plate;2. Swing jaw plate;3. Upper cheek plate;4. Lower cheek plate;5. Toggle plate ... industry, cement and so on.Material: High manganese steel: Mn13%, Mn18%, Mn24%;High chromium iron: ... on the application: Manganese, Chrome, Bronze, Stainless Steel, Heat Resistant, Abrasion Resistant. High Manganese Steel Parts