... , chemical industry, cement and so on.3. Material: High manganese steel: Mn13%, Mn18%, Mn24%;High chromium iron: Cr20, Cr24 ... machinery parts. We can manufacture any kinds of high manganese steel grate bar according to your requirements or drawings ... drawings.Different types of alloys available, depending on the application: Manganese, Chrome, Bronze, Stainless Steel, Heat Resistant, Abrasion Resistant. ...