Wear-resistant tee, commonly used wear-resistant tee in tee overall form can be divided into bimetallic composite wear-resistant tee and single metal wear-resistant tee, field condition of different design and production concept, bimetallic composite tee and divided into lining high chromium cast iron, lining from the burning (Al2O3) lining plastic, inside ceramic patch, such as single metal wear-proof tee into alloy wear-resistant tee and rare earth alloy wear resistance.