The material: 'BS C103 / Cu-OF Oxygen-free Copper' you were looking for has been superseded by the one below.

BS C103 / Cu-OF Oxygen-free Copper

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C103 (Cu-OF) is a commercially pure grade of oxygen-free copper manufactured by pouring in a protective gas atmosphere or vacuum. The absence of oxygen ensures high levels of electrical conductivity and low susceptibility to embrittlement when heated in a reducing atmosphere.

Related Standards

Equivalent Materials

Chemical properties


Weight %



99.95 %


Technological properties

Application areas

General: Radar and other electronic equipment, anodes for vacuum tubes, glass to metal seals in electronic equipment, thermostatic control valves, rotor conductors for large generators and motors, electrical equipment for service at elevated temperatures in the presence of reducing gases and anodes for electroplating, particularly in cyanide baths

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.