Circle Vibrating Screen 2yk 2160

The invention discloses an ultrahigh chromium grinding ball and a processing process of the ultrahigh chromium grinding ball.A metal material which is appropriate in chromium content and low in carbon content is selected to ensure the chromiumcarbon ratio to be about 710 so as to obtain metallographic structures of martensite m alloy carbon compound m7c3 and residual austenite a.