Conductor Grades of Copper, Wrought

Unalloyed coppers are used for electrical conductors where exceptional strength or high-temperature capability are not required.

ISO British CEN ASTM Description
Designation Standard Number Equivalent
Cu-ETP1 C100 CW003A Electrolytically refined higher purity copper
Cu-ETP C101 CW003A C11000 Electrolytic, tough pitch high conductivity
copper
CuAg(0.04) C101 CW011A Silver bearing copper
CuAg(0.07) CW012A Silver bearing copper
CuAg(0.10) CW013A Silver bearing copper
Cu-FRHC C102 CW005A C11020 Fire refined, tough pitch, high-conductivity
copper
Cu-HCP CW021A High conductivity phosphorus deoxidised
copper
Cu-DLP CW023A C12000 Low phosphorus deoxidised copper
Cu-FRTP C104 CW006A C12500 Tough pitch, non-arsenical copper
CuAs C105 Tough pitch arsenical copper
Cu-DHP C106 CW024A C12200 Phosphorus deoxidised non-arsenical
copper
CuAsP C107 C14200 Phosphorus deoxidised arsenical copper
CuAg(0.04P) CW014A Silver bearing deoxidised copper
CuAg(0.07P) CW015A Silver bearing deoxidised copper
CuAg(0.10P) CW016A Silver bearing deoxidised copper
Cu-OF C103 CW008A C10200 Oxygen free, high conductivity copper
Cu-OFE C110 CW009A C10100 Oxygen free, high conductivity copper,
electronic grade