... polished and grinded 5.Various sizes available Name: tungsten carbide mechanical seal ring Material grade for chosen GradeISODensityHRABending StrengthYG3XK0115.1-15.393.61450YG3K0115 ... carbide wear parts:carbide rollers,carbide gauge,tungsten carbides inserts,carbide roll collar,carbide plug gauge,etc. iii.Tungsten carbide products:carbide board,Bars,etc. tungsten carbide mechanical seal ring ...