Qhov no tungsten carbide rauj hniav siv rau cov ntoo crusher yog ua los ntawm cov hlau tsis tshua muaj 65 manganese raws li cov khoom siv hauv paus, nrog cov hardness siab thiab siab tungsten carbide overlay vuam thiab tshuaj tsuag vuam qhov cuab lub zog, uas ua rau kev ua tau zoo ntawm cov khoom zoo thiab siab dua.