Composite component part consisting of a plastics carrier and a multi-ply metal layer applied via a galvanizing process, wherein the plastics carrier is produced from a thermoplastic composition consisting of A) 50 to 90 parts by weight of at least one aromatic polycarbonate, B) 10 to 50 parts by weight of at least one graft polymer comprising a diene-containing elastomeric particulate graft base and a vinyl (co)polymer sheath, wherein the proportion of rubber particles in the graft base having a diameter of <200 nm determined according to the method specified in the description is at least 20 wt%, C) 0 to 15 parts by weight of at least one additive, wherein the sum of the parts by weight of components A) and B) in the composition is normalized to 100, (i) characterized in that the rubber content from component B in the composition is at least 6 wt%, (ii) characterized in that the ratio K/S of the weight fractions of butadiene-containing elastomeric particulate graft base from component B) in the composition (=K) to the sum of free, i.e. not covalently bonded to the rubber base in the graft polymer according to component B), vinyl (co)polymer from component B) and any free vinyl (co)polymer from component C) in the composition (=S) is at least 1.5, (iii) characterized in that component A) comprises at least one monomer unit selected from the group consisting of monomer units described by general formula in which R 4 represents H, linear or branched C 1 -C 10 alkyl and R 5 represents linear or branched C 1 -C 10 alkyl, and such monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1'-position of a cyclic hydrocarbon optionally substituted with heteroatoms, (iv) characterized in that the proportion (A cyc) of monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1'-position of a cyclic hydrocarbon optionally substituted with heteroatoms based on the sum of all monomer units derived from bisphenols in component A) is in the range from 0 to 40 wt%, wherein in the case where the proportion (A cyc) of monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1'-position of a cyclic hydrocarbon optionally substituted with heteroatoms based on the sum of all monomer units derived from bisphenols in component A) is in the range <5 wt%, the content of component A) in the composition is 75 to 87 parts by weight and the content of component B) in the composition is 13 to 25 parts by weight. A) 50 to 90 parts by weight of at least one aromatic polycarbonate, B) 10 to 50 parts by weight of at least one graft polymer comprising a diene-containing elastomeric particulate graft base and a vinyl (co)polymer sheath, wherein the proportion of rubber particles in the graft base having a diameter of <200 nm determined according to the method specified in the description is at least 20 wt%, C) 0 to 15 parts by weight of at least one additive, (i) characterized in that the rubber content from component B in the composition is at least 6 wt%, (ii) characterized in that the ratio K/S of the weight fractions of butadiene-containing elastomeric particulate graft base from component B) in the composition (=K) to the sum of free, i.e. not covalently bonded to the rubber base in the graft polymer according to component B), vinyl (co)polymer from component B) and any free vinyl (co)polymer from component C) in the composition (=S) is at least 1.5, (iii) characterized in that component A) comprises at least one monomer unit selected from the group consisting of monomer units described by general formula in which R 4 represents H, linear or branched C 1 -C 10 alkyl and R 5 represents linear or branched C 1 -C 10 alkyl, and such monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1'-position of a cyclic hydrocarbon optionally substituted with heteroatoms, R 4 represents H, linear or branched C 1 -C 10 alkyl and R 5 represents linear or branched C 1 -C 10 alkyl, and such monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1'-position of a cyclic hydrocarbon optionally substituted with heteroatoms, (iv) characterized in that the proportion (A cyc) of monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1'-position of a cyclic hydrocarbon optionally substituted with heteroatoms based on the sum of all monomer units derived from bisphenols in component A) is in the range from 0 to 40 wt%,