Wire Rod Wire Rod Wire rod is available in diameters from 8–23 mm in CU-ETP1. The production range is shown in the table.On request, all diameters can also be supplied in the grease-free version for processing on extrusion lines with Conform® technology. Production range: Diameter in mmMaterialTolerance in mm8Cu ETP10.410Cu ETP10.412,5Cu ETP10.413Cu ETP10.416Cu ETP10.420Cu ETP10.421,6Cu ETP10.423Cu ETP10.4