... vibration in the operation 230mm abrasive cutting discs for general steels pipes 1.Sharp,clean cut action ... :80m/sUsage:cutting hard metal,like general steels, steel pipes,ferrous metal,aluminium,iron,angle iron,brass, ... bronze,carbon steel,casting,railway,non-ferrous metal, soft metal,welds ... service life. 230mm abrasive cutting discs for general steels pipes