The round copper mould tube Size:90-500mm Length:700-1000mm Thickness:10-25mm MaterialPhosphorus deoxidized copper, Ag-Cu, CuCrZrChrome platingChromium, nickel and cobalt, Ni-Co+Cr composite coating,(Ni-Te, Ni-Co, Co-Ni)TaperingSinger taper, multi-taper, parabolic taper, multiple taper and so onWall thickness10-25mmSpecificationRound billetφ90~500mmSquare billet60*60~450*450mmRectangular ...