T3 Copper Flat Bar

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Red Copper (also known as Pure Copper) is a relatively pure form of copper, generally considered nearly pure. It exhibits excellent electrical conductivity and plasticity but has relatively low strength and hardness. Red copper possesses superior thermal conductivity, ductility, and corrosion resistance. Trace impurities in red copper can significantly impact its electrical and thermal conductivity. Elements such as titanium, phosphorus, iron, and silicon markedly reduce conductivity, while cadmium and zinc have minimal effects. Sulfur, selenium, and tellurium have very low solubility in copper and form brittle compounds, which have little effect on conductivity but reduce workability. Red copper demonstrates strong corrosion resistance in atmospheres, seawater, certain non-oxidizing acids (e.g., hydrochloric acid, dilute sulfuric acid), alkalis, salt solutions, and various organic acids (e.g., acetic acid, citric acid), making it suitable for chemical industry applications. Additionally, it has excellent weldability and can be processed into various semi-finished and finished products through cold and hot plastic deformation. By the 1970s, the production volume of red copper had surpassed that of all other copper alloys combined.

紫铜是比较纯净的一种铜，一般可近似认为是纯铜，导电性、塑性都较好，但强度、硬度较差一些。紫铜具有优良的导热性﹑延展性和耐蚀性。紫铜中的微量杂质对铜的导电、导热性能有严重影响。其中钛、磷、铁、硅等显著降低电导率,而镉、锌等则影响很小。硫、硒、碲等在铜中的固溶度很小,可与铜生成脆性化合物,对导电性影响不大，但能降低加工塑性。