Wieland-UB7Chemical Composition Material DesignationCu balanceAl 14,8 % Wieland-UB7 is notFe 4,5 % standardized.Mn 2,0 %Co 2,0 %Physical Properties* Processing Properties Corrosion Resistance3 Machining and Forming6Machinability very good26 Cold workability poorHot workability goodDensity g/cm? 7,090 Surface Treatmentgood* Reference values at room temperature1 N/mm? = 1 Mpa1 MS/m = 1 m/? " mm? Heat TreatmentMelting range 1020 - 1040